Package Instance
Lookup for vulnerable packages by Package URL.
GET /api/packages/14741?format=api
{ "url": "http://public2.vulnerablecode.io/api/packages/14741?format=api", "purl": "pkg:pypi/waitress@0.4", "type": "pypi", "namespace": "", "name": "waitress", "version": "0.4", "qualifiers": {}, "subpath": "", "is_vulnerable": true, "next_non_vulnerable_version": "3.0.1", "latest_non_vulnerable_version": "3.0.1", "affected_by_vulnerabilities": [ { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/35465?format=api", "vulnerability_id": "VCID-2tuq-pc83-cqe8", "summary": "Waitress through version 1.3.1 would parse the Transfer-Encoding header and only look for a single string value, if that value was not chunked it would fall through and use the Content-Length header instead. According to the HTTP standard Transfer-Encoding should be a comma separated list, with the inner-most encoding first, followed by any further transfer codings, ending with chunked. Requests sent with: \"Transfer-Encoding: gzip, chunked\" would incorrectly get ignored, and the request would use a Content-Length header instead to determine the body size of the HTTP message. This could allow for Waitress to treat a single request as multiple requests in the case of HTTP pipelining. This issue is fixed in Waitress 1.4.0.", "references": [ { "reference_url": "https://access.redhat.com/errata/RHSA-2020:0720", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N" }, { "value": "5.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://access.redhat.com/errata/RHSA-2020:0720" }, { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-16786.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.1", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-16786.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2019-16786", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00795", "scoring_system": "epss", "scoring_elements": "0.74318", "published_at": "2026-06-04T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2019-16786" }, { "reference_url": "https://docs.pylonsproject.org/projects/waitress/en/latest/#security-fixes", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N" }, { "value": "5.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://docs.pylonsproject.org/projects/waitress/en/latest/#security-fixes" }, { "reference_url": "https://github.com/Pylons/waitress", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N" }, { "value": "5.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/Pylons/waitress" }, { "reference_url": "https://github.com/Pylons/waitress/commit/f11093a6b3240fc26830b6111e826128af7771c3", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N" }, { "value": "5.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/Pylons/waitress/commit/f11093a6b3240fc26830b6111e826128af7771c3" }, { "reference_url": "https://github.com/Pylons/waitress/security/advisories/GHSA-g2xc-35jw-c63p", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N" }, { "value": "5.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/Pylons/waitress/security/advisories/GHSA-g2xc-35jw-c63p" }, { "reference_url": "https://github.com/pypa/advisory-database/tree/main/vulns/waitress/PYSEC-2019-137.yaml", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N" }, { "value": "5.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/pypa/advisory-database/tree/main/vulns/waitress/PYSEC-2019-137.yaml" }, { "reference_url": "https://lists.debian.org/debian-lts-announce/2022/05/msg00011.html", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N" }, { "value": "5.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://lists.debian.org/debian-lts-announce/2022/05/msg00011.html" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GVDHR2DNKCNQ7YQXISJ45NT4IQDX3LJ7", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N" }, { "value": "5.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GVDHR2DNKCNQ7YQXISJ45NT4IQDX3LJ7" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GVDHR2DNKCNQ7YQXISJ45NT4IQDX3LJ7/", "reference_id": "", "reference_type": "", "scores": [], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GVDHR2DNKCNQ7YQXISJ45NT4IQDX3LJ7/" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LYEOTGWJZVKPRXX2HBNVIYWCX73QYPM5", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N" }, { "value": "5.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LYEOTGWJZVKPRXX2HBNVIYWCX73QYPM5" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LYEOTGWJZVKPRXX2HBNVIYWCX73QYPM5/", "reference_id": "", "reference_type": "", "scores": [], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LYEOTGWJZVKPRXX2HBNVIYWCX73QYPM5/" }, { "reference_url": "https://www.oracle.com/security-alerts/cpuapr2022.html", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N" }, { "value": "5.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://www.oracle.com/security-alerts/cpuapr2022.html" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=1791415", "reference_id": "1791415", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1791415" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=947306", "reference_id": "947306", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=947306" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2019-16786", "reference_id": "CVE-2019-16786", "reference_type": "", "scores": [ { "value": "7.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N" }, { "value": "5.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-16786" }, { "reference_url": "https://github.com/advisories/GHSA-g2xc-35jw-c63p", "reference_id": "GHSA-g2xc-35jw-c63p", "reference_type": "", "scores": [], "url": "https://github.com/advisories/GHSA-g2xc-35jw-c63p" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2021:0420", "reference_id": "RHSA-2021:0420", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2021:0420" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/14774?format=api", "purl": "pkg:pypi/waitress@1.3.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-3664-qefb-hkct" }, { "vulnerability": "VCID-5g9e-fz5j-5fg6" }, { "vulnerability": "VCID-9gra-5w8b-mfa2" }, { "vulnerability": "VCID-gnaw-ht2x-9bas" }, { "vulnerability": "VCID-ujpr-gc5n-s3bc" }, { "vulnerability": "VCID-zd7n-85nm-93cm" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/waitress@1.3.1" }, { "url": "http://public2.vulnerablecode.io/api/packages/14775?format=api", "purl": "pkg:pypi/waitress@1.4.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5g9e-fz5j-5fg6" }, { "vulnerability": "VCID-gnaw-ht2x-9bas" }, { "vulnerability": "VCID-ujpr-gc5n-s3bc" }, { "vulnerability": "VCID-zd7n-85nm-93cm" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/waitress@1.4.0" } ], "aliases": [ "CVE-2019-16786", "GHSA-g2xc-35jw-c63p", "PYSEC-2019-137" ], "risk_score": 3.2, "exploitability": "0.5", "weighted_severity": "6.4", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-2tuq-pc83-cqe8" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/35487?format=api", "vulnerability_id": "VCID-3664-qefb-hkct", "summary": "Waitress through version 1.3.1 allows request smuggling by sending the Content-Length header twice. Waitress would header fold a double Content-Length header and due to being unable to cast the now comma separated value to an integer would set the Content-Length to 0 internally. If two Content-Length headers are sent in a single request, Waitress would treat the request as having no body, thereby treating the body of the request as a new request in HTTP pipelining. This issue is fixed in Waitress 1.4.0.", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2019-16792", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00851", "scoring_system": "epss", "scoring_elements": "0.75257", "published_at": "2026-06-04T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2019-16792" }, { "reference_url": "https://docs.pylonsproject.org/projects/waitress/en/latest/#security-fixes", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://docs.pylonsproject.org/projects/waitress/en/latest/#security-fixes" }, { "reference_url": "https://github.com/advisories/GHSA-j7j6-7hfx-5522", "reference_id": "", "reference_type": "", "scores": [], "url": "https://github.com/advisories/GHSA-j7j6-7hfx-5522" }, { "reference_url": "https://github.com/Pylons/waitress", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/Pylons/waitress" }, { "reference_url": "https://github.com/Pylons/waitress/commit/575994cd42e83fd772a5f7ec98b2c56751bd3f65", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/Pylons/waitress/commit/575994cd42e83fd772a5f7ec98b2c56751bd3f65" }, { "reference_url": "https://github.com/Pylons/waitress/security/advisories/GHSA-4ppp-gpcr-7qf6", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/Pylons/waitress/security/advisories/GHSA-4ppp-gpcr-7qf6" }, { "reference_url": "https://github.com/pypa/advisory-database/tree/main/vulns/waitress/PYSEC-2020-178.yaml", "reference_id": "", "reference_type": "", "scores": [ { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/pypa/advisory-database/tree/main/vulns/waitress/PYSEC-2020-178.yaml" }, { "reference_url": "https://lists.debian.org/debian-lts-announce/2022/05/msg00011.html", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://lists.debian.org/debian-lts-announce/2022/05/msg00011.html" }, { "reference_url": "https://www.oracle.com/security-alerts/cpuapr2022.html", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://www.oracle.com/security-alerts/cpuapr2022.html" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2019-16792", "reference_id": "CVE-2019-16792", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-16792" }, { "reference_url": "https://github.com/advisories/GHSA-4ppp-gpcr-7qf6", "reference_id": "GHSA-4ppp-gpcr-7qf6", "reference_type": "", "scores": [], "url": "https://github.com/advisories/GHSA-4ppp-gpcr-7qf6" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/14775?format=api", "purl": "pkg:pypi/waitress@1.4.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5g9e-fz5j-5fg6" }, { "vulnerability": "VCID-gnaw-ht2x-9bas" }, { "vulnerability": "VCID-ujpr-gc5n-s3bc" }, { "vulnerability": "VCID-zd7n-85nm-93cm" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/waitress@1.4.0" } ], "aliases": [ "CVE-2019-16792", "GHSA-4ppp-gpcr-7qf6", "GHSA-j7j6-7hfx-5522", "PYSEC-2020-178" ], "risk_score": 4.5, "exploitability": "0.5", "weighted_severity": "9.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-3664-qefb-hkct" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/35505?format=api", "vulnerability_id": "VCID-5g9e-fz5j-5fg6", "summary": "Waitress version 1.4.2 allows a DOS attack When waitress receives a header that contains invalid characters. When a header like \"Bad-header: xxxxxxxxxxxxxxx\\x10\" is received, it will cause the regular expression engine to catastrophically backtrack causing the process to use 100% CPU time and blocking any other interactions. This allows an attacker to send a single request with an invalid header and take the service offline. This issue was introduced in version 1.4.2 when the regular expression was updated to attempt to match the behaviour required by errata associated with RFC7230. The regular expression that is used to validate incoming headers has been updated in version 1.4.3, it is recommended that people upgrade to the new version of Waitress as soon as possible.", "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-5236.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.5", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-5236.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2020-5236", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.13332", "scoring_system": "epss", "scoring_elements": "0.94306", "published_at": "2026-06-04T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2020-5236" }, { "reference_url": "https://github.com/Pylons/waitress", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.7", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H" }, { "value": "6.9", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/Pylons/waitress" }, { "reference_url": "https://github.com/Pylons/waitress/commit/6e46f9e3f014d64dd7d1e258eaf626e39870ee1f", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.7", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H" }, { "value": "6.9", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/Pylons/waitress/commit/6e46f9e3f014d64dd7d1e258eaf626e39870ee1f" }, { "reference_url": "https://github.com/Pylons/waitress/security/advisories/GHSA-73m2-3pwg-5fgc", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.7", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H" }, { "value": "6.9", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/Pylons/waitress/security/advisories/GHSA-73m2-3pwg-5fgc" }, { "reference_url": "https://github.com/pypa/advisory-database/tree/main/vulns/waitress/PYSEC-2020-155.yaml", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.7", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H" }, { "value": "6.9", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/pypa/advisory-database/tree/main/vulns/waitress/PYSEC-2020-155.yaml" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=1831068", "reference_id": "1831068", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1831068" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2020-5236", "reference_id": "CVE-2020-5236", "reference_type": "", "scores": [ { "value": "5.7", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H" }, { "value": "6.9", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-5236" }, { "reference_url": "https://github.com/advisories/GHSA-73m2-3pwg-5fgc", "reference_id": "GHSA-73m2-3pwg-5fgc", "reference_type": "", "scores": [], "url": "https://github.com/advisories/GHSA-73m2-3pwg-5fgc" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/14984?format=api", "purl": "pkg:pypi/waitress@1.4.3", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-gnaw-ht2x-9bas" }, { "vulnerability": "VCID-ujpr-gc5n-s3bc" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/waitress@1.4.3" } ], "aliases": [ "CVE-2020-5236", "GHSA-73m2-3pwg-5fgc", "PYSEC-2020-155" ], "risk_score": 3.1, "exploitability": "0.5", "weighted_severity": "6.2", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-5g9e-fz5j-5fg6" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/35466?format=api", "vulnerability_id": "VCID-9gra-5w8b-mfa2", "summary": "Waitress through version 1.3.1 implemented a \"MAY\" part of the RFC7230 which states: \"Although the line terminator for the start-line and header fields is the sequence CRLF, a recipient MAY recognize a single LF as a line terminator and ignore any preceding CR.\" Unfortunately if a front-end server does not parse header fields with an LF the same way as it does those with a CRLF it can lead to the front-end and the back-end server parsing the same HTTP message in two different ways. This can lead to a potential for HTTP request smuggling/splitting whereby Waitress may see two requests while the front-end server only sees a single HTTP message. This issue is fixed in Waitress 1.4.0.", "references": [ { "reference_url": "https://access.redhat.com/errata/RHSA-2020:0720", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N" }, { "value": "5.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://access.redhat.com/errata/RHSA-2020:0720" }, { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-16785.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.1", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-16785.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2019-16785", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.01023", "scoring_system": "epss", "scoring_elements": "0.77595", "published_at": "2026-06-04T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2019-16785" }, { "reference_url": "https://docs.pylonsproject.org/projects/waitress/en/latest/#security-fixes", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N" }, { "value": "5.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://docs.pylonsproject.org/projects/waitress/en/latest/#security-fixes" }, { "reference_url": "https://github.com/Pylons/waitress", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N" }, { "value": "5.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/Pylons/waitress" }, { "reference_url": "https://github.com/Pylons/waitress/commit/8eba394ad75deaf9e5cd15b78a3d16b12e6b0eba", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N" }, { "value": "5.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/Pylons/waitress/commit/8eba394ad75deaf9e5cd15b78a3d16b12e6b0eba" }, { "reference_url": "https://github.com/Pylons/waitress/security/advisories/GHSA-pg36-wpm5-g57p", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N" }, { "value": "5.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/Pylons/waitress/security/advisories/GHSA-pg36-wpm5-g57p" }, { "reference_url": "https://github.com/pypa/advisory-database/tree/main/vulns/waitress/PYSEC-2019-136.yaml", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N" }, { "value": "5.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/pypa/advisory-database/tree/main/vulns/waitress/PYSEC-2019-136.yaml" }, { "reference_url": "https://lists.debian.org/debian-lts-announce/2022/05/msg00011.html", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N" }, { "value": "5.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://lists.debian.org/debian-lts-announce/2022/05/msg00011.html" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GVDHR2DNKCNQ7YQXISJ45NT4IQDX3LJ7", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.1", "scoring_system": "cvssv3.1", "scoring_elements": 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"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N" }, { "value": "5.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-16785" }, { "reference_url": "https://github.com/advisories/GHSA-pg36-wpm5-g57p", "reference_id": "GHSA-pg36-wpm5-g57p", "reference_type": "", "scores": [], "url": "https://github.com/advisories/GHSA-pg36-wpm5-g57p" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2021:0420", "reference_id": "RHSA-2021:0420", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2021:0420" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/14775?format=api", "purl": "pkg:pypi/waitress@1.4.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5g9e-fz5j-5fg6" }, { "vulnerability": "VCID-gnaw-ht2x-9bas" }, { "vulnerability": "VCID-ujpr-gc5n-s3bc" }, { "vulnerability": "VCID-zd7n-85nm-93cm" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/waitress@1.4.0" } ], "aliases": [ "CVE-2019-16785", "GHSA-pg36-wpm5-g57p", "PYSEC-2019-136" ], "risk_score": 3.2, "exploitability": "0.5", "weighted_severity": "6.4", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-9gra-5w8b-mfa2" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/4946?format=api", "vulnerability_id": "VCID-gnaw-ht2x-9bas", "summary": "", "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-24761.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-24761.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2022-24761", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00288", "scoring_system": "epss", "scoring_elements": "0.52471", "published_at": "2026-06-04T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2022-24761" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-24761", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-24761" }, { "reference_url": "https://github.com/Pylons/waitress", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": 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"cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/pypa/advisory-database/tree/main/vulns/waitress/PYSEC-2022-169.yaml" }, { "reference_url": "https://lists.debian.org/debian-lts-announce/2022/05/msg00011.html", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://lists.debian.org/debian-lts-announce/2022/05/msg00011.html" }, { "reference_url": "https://www.debian.org/security/2022/dsa-5138", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://www.debian.org/security/2022/dsa-5138" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1008013", "reference_id": "1008013", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1008013" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2065086", "reference_id": "2065086", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2065086" }, { "reference_url": "https://security.archlinux.org/AVG-2723", "reference_id": "AVG-2723", "reference_type": "", "scores": [ { "value": "High", "scoring_system": "archlinux", "scoring_elements": "" } ], "url": "https://security.archlinux.org/AVG-2723" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2022-24761", "reference_id": "CVE-2022-24761", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-24761" }, { "reference_url": "https://github.com/advisories/GHSA-4f7p-27jc-3c36", "reference_id": "GHSA-4f7p-27jc-3c36", "reference_type": "", "scores": [], "url": "https://github.com/advisories/GHSA-4f7p-27jc-3c36" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2022:1253", "reference_id": "RHSA-2022:1253", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2022:1253" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2022:1254", "reference_id": "RHSA-2022:1254", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2022:1254" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2022:1264", "reference_id": "RHSA-2022:1264", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2022:1264" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/27038?format=api", "purl": "pkg:pypi/waitress@2.1.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-r9h3-c2kh-a3ey" }, { "vulnerability": "VCID-trp4-phyv-bfb2" }, { "vulnerability": "VCID-ujpr-gc5n-s3bc" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/waitress@2.1.1" } ], "aliases": [ "CVE-2022-24761", "GHSA-4f7p-27jc-3c36", "PYSEC-2022-169" ], "risk_score": 4.0, "exploitability": "0.5", "weighted_severity": "8.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-gnaw-ht2x-9bas" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/36917?format=api", "vulnerability_id": "VCID-ujpr-gc5n-s3bc", "summary": "Waitress is a Web Server Gateway Interface server for Python 2 and 3. When a remote client closes the connection before waitress has had the opportunity to call getpeername() waitress won't correctly clean up the connection leading to the main thread attempting to write to a socket that no longer exists, but not removing it from the list of sockets to attempt to process. This leads to a busy-loop calling the write function. A remote attacker could run waitress out of available sockets with very little resources required. Waitress 3.0.1 contains fixes that remove the race condition.", "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-49769.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-49769.json" }, { "reference_url": "https://github.com/Pylons/waitress", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/Pylons/waitress" }, { "reference_url": "https://github.com/Pylons/waitress/commit/1ae4e894c9f76543bee06584001583fc6fa8c95c", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/Pylons/waitress/commit/1ae4e894c9f76543bee06584001583fc6fa8c95c" }, { "reference_url": "https://github.com/Pylons/waitress/issues/418", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/Pylons/waitress/issues/418" }, { "reference_url": "https://github.com/Pylons/waitress/pull/435", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/Pylons/waitress/pull/435" }, { "reference_url": "https://github.com/Pylons/waitress/security/advisories/GHSA-3f84-rpwh-47g6", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/Pylons/waitress/security/advisories/GHSA-3f84-rpwh-47g6" }, { "reference_url": "https://github.com/pypa/advisory-database/tree/main/vulns/waitress/PYSEC-2024-211.yaml", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/pypa/advisory-database/tree/main/vulns/waitress/PYSEC-2024-211.yaml" }, { "reference_url": "https://lists.debian.org/debian-lts-announce/2024/11/msg00012.html", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://lists.debian.org/debian-lts-announce/2024/11/msg00012.html" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1086468", "reference_id": "1086468", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1086468" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2322461", "reference_id": "2322461", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2322461" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2024-49769", "reference_id": "CVE-2024-49769", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-49769" }, { "reference_url": "https://github.com/advisories/GHSA-3f84-rpwh-47g6", "reference_id": "GHSA-3f84-rpwh-47g6", "reference_type": "", "scores": [], "url": "https://github.com/advisories/GHSA-3f84-rpwh-47g6" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2024:10145", "reference_id": "RHSA-2024:10145", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2024:10145" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2024:10535", "reference_id": "RHSA-2024:10535", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2024:10535" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2024:10815", "reference_id": "RHSA-2024:10815", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2024:10815" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2024:9613", "reference_id": "RHSA-2024:9613", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2024:9613" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2024:9618", "reference_id": "RHSA-2024:9618", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2024:9618" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2024:9623", "reference_id": "RHSA-2024:9623", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2024:9623" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2025:0201", "reference_id": "RHSA-2025:0201", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2025:0201" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2025:1191", "reference_id": "RHSA-2025:1191", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2025:1191" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2025:1192", "reference_id": "RHSA-2025:1192", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2025:1192" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/43765?format=api", "purl": "pkg:pypi/waitress@3.0.1", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/waitress@3.0.1" } ], "aliases": [ "CVE-2024-49769", "GHSA-3f84-rpwh-47g6", "PYSEC-2024-211" ], "risk_score": 4.0, "exploitability": "0.5", "weighted_severity": "8.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-ujpr-gc5n-s3bc" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/35467?format=api", "vulnerability_id": "VCID-zd7n-85nm-93cm", "summary": "In Waitress through version 1.4.0, if a proxy server is used in front of waitress, an invalid request may be sent by an attacker that bypasses the front-end and is parsed differently by waitress leading to a potential for HTTP request smuggling. Specially crafted requests containing special whitespace characters in the Transfer-Encoding header would get parsed by Waitress as being a chunked request, but a front-end server would use the Content-Length instead as the Transfer-Encoding header is considered invalid due to containing invalid characters. If a front-end server does HTTP pipelining to a backend Waitress server this could lead to HTTP request splitting which may lead to potential cache poisoning or unexpected information disclosure. This issue is fixed in Waitress 1.4.1 through more strict HTTP field validation.", "references": [ { "reference_url": "https://access.redhat.com/errata/RHSA-2020:0720", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:N" }, { "value": "5.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:H/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://access.redhat.com/errata/RHSA-2020:0720" }, { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-16789.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.2", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-16789.json" }, { "reference_url": 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