Package Instance
Lookup for vulnerable packages by Package URL.
GET /api/packages/941807?format=api
{ "url": "http://public2.vulnerablecode.io/api/packages/941807?format=api", "purl": "pkg:deb/debian/undertow@2.2.16-1?distro=sid", "type": "deb", "namespace": "debian", "name": "undertow", "version": "2.2.16-1", "qualifiers": { "distro": "sid" }, "subpath": "", "is_vulnerable": false, "next_non_vulnerable_version": "2.2.17-1", "latest_non_vulnerable_version": "2.3.20-1", "affected_by_vulnerabilities": [], "fixing_vulnerabilities": [ { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/53733?format=api", "vulnerability_id": "VCID-cf5j-2dz8-7bbu", "summary": "Undertow vulnerable to Denial of Service (DoS) attacks\nUndertow client side invocation timeout raised when calling over HTTP2, this vulnerability can allow attacker to carry out denial of service (DoS) attacks in versions less than 2.2.15 Final.", "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-3859.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-2021-3859.json" }, { "reference_url": "https://access.redhat.com/security/cve/cve-2021-3859", "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": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://access.redhat.com/security/cve/cve-2021-3859" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-3859", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00309", "scoring_system": "epss", "scoring_elements": "0.54103", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.00309", "scoring_system": "epss", "scoring_elements": "0.54138", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.00309", "scoring_system": "epss", "scoring_elements": "0.54157", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.00309", "scoring_system": "epss", "scoring_elements": "0.54115", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.00309", "scoring_system": "epss", "scoring_elements": "0.54135", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.00309", "scoring_system": "epss", "scoring_elements": "0.54154", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.00309", "scoring_system": "epss", "scoring_elements": "0.54034", "published_at": "2026-04-01T12:55:00Z" }, { "value": "0.00309", "scoring_system": "epss", "scoring_elements": "0.54088", "published_at": "2026-04-29T12:55:00Z" }, { "value": "0.00309", "scoring_system": "epss", "scoring_elements": "0.54114", "published_at": "2026-04-26T12:55:00Z" }, { "value": "0.00309", "scoring_system": "epss", "scoring_elements": "0.54106", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.00309", "scoring_system": "epss", "scoring_elements": "0.54054", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.00309", "scoring_system": "epss", "scoring_elements": "0.5408", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.00309", "scoring_system": "epss", "scoring_elements": "0.54051", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.00309", "scoring_system": "epss", "scoring_elements": "0.54104", "published_at": "2026-04-09T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-3859" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2010378", "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": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2010378" }, { "reference_url": "https://github.com/undertow-io/undertow", "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": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/undertow-io/undertow" }, { "reference_url": "https://github.com/undertow-io/undertow/commit/db0f5be43f8e2a4b88fbedd2eb6d5a95a29ceaa8", "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": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/undertow-io/undertow/commit/db0f5be43f8e2a4b88fbedd2eb6d5a95a29ceaa8" }, { "reference_url": "https://github.com/undertow-io/undertow/commit/e43f0ada3f4da6e8579e0020cec3cb1a81e487c2", "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": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/undertow-io/undertow/commit/e43f0ada3f4da6e8579e0020cec3cb1a81e487c2" }, { "reference_url": "https://github.com/undertow-io/undertow/pull/1296", "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": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/undertow-io/undertow/pull/1296" }, { "reference_url": "https://issues.redhat.com/browse/UNDERTOW-1979", "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": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://issues.redhat.com/browse/UNDERTOW-1979" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3859", "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": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3859" }, { "reference_url": "https://security.netapp.com/advisory/ntap-20221201-0004", "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": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://security.netapp.com/advisory/ntap-20221201-0004" }, { "reference_url": "https://security.netapp.com/advisory/ntap-20221201-0004/", "reference_id": "", "reference_type": "", "scores": [], "url": "https://security.netapp.com/advisory/ntap-20221201-0004/" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1015983", "reference_id": "1015983", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1015983" }, { "reference_url": "https://access.redhat.com/security/cve/CVE-2021-3859", "reference_id": "CVE-2021-3859", "reference_type": "", "scores": [], "url": "https://access.redhat.com/security/cve/CVE-2021-3859" }, { "reference_url": "https://github.com/advisories/GHSA-339q-62wm-c39w", "reference_id": "GHSA-339q-62wm-c39w", "reference_type": "", "scores": [ { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-339q-62wm-c39w" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2022:0400", "reference_id": "RHSA-2022:0400", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2022:0400" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2022:0401", "reference_id": "RHSA-2022:0401", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2022:0401" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2022:0404", "reference_id": "RHSA-2022:0404", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2022:0404" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2022:0405", "reference_id": "RHSA-2022:0405", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2022:0405" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2022:0406", "reference_id": "RHSA-2022:0406", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2022:0406" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2022:0407", "reference_id": "RHSA-2022:0407", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2022:0407" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2022:0408", "reference_id": "RHSA-2022:0408", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2022:0408" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2022:0409", "reference_id": "RHSA-2022:0409", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2022:0409" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2022:0410", "reference_id": "RHSA-2022:0410", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2022:0410" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2022:0415", "reference_id": "RHSA-2022:0415", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2022:0415" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2022:0447", "reference_id": "RHSA-2022:0447", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2022:0447" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2022:0448", "reference_id": "RHSA-2022:0448", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2022:0448" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2022:1179", "reference_id": "RHSA-2022:1179", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2022:1179" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2022:5532", "reference_id": "RHSA-2022:5532", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2022:5532" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/941807?format=api", "purl": "pkg:deb/debian/undertow@2.2.16-1?distro=sid", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/undertow@2.2.16-1%3Fdistro=sid" }, { "url": "http://public2.vulnerablecode.io/api/packages/941790?format=api", "purl": "pkg:deb/debian/undertow@2.3.20-1?distro=sid", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/undertow@2.3.20-1%3Fdistro=sid" } ], "aliases": [ "CVE-2021-3859", "GHSA-339q-62wm-c39w", "GMS-2022-2963" ], "risk_score": 4.0, "exploitability": "0.5", "weighted_severity": "8.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-cf5j-2dz8-7bbu" } ], "risk_score": null, "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/undertow@2.2.16-1%3Fdistro=sid" }