Package Instance
Lookup for vulnerable packages by Package URL.
GET /api/packages/11531?format=api
{ "url": "http://public2.vulnerablecode.io/api/packages/11531?format=api", "purl": "pkg:pypi/websockets@3.4", "type": "pypi", "namespace": "", "name": "websockets", "version": "3.4", "qualifiers": {}, "subpath": "", "is_vulnerable": true, "next_non_vulnerable_version": "9.1", "latest_non_vulnerable_version": "9.1", "affected_by_vulnerabilities": [ { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/7319?format=api", "vulnerability_id": "VCID-66rg-p1q7-hken", "summary": "private key recovery", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-33880", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.0031", "scoring_system": "epss", "scoring_elements": "0.54495", "published_at": "2026-06-04T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-33880" }, { "reference_url": "https://github.com/aaugustin/websockets", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.9", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N" }, { "value": "8.2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/aaugustin/websockets" }, { "reference_url": "https://github.com/aaugustin/websockets/commit/547a26b685d08cac0aa64e5e65f7867ac0ea9bc0", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.9", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N" }, { "value": "8.2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/aaugustin/websockets/commit/547a26b685d08cac0aa64e5e65f7867ac0ea9bc0" }, { "reference_url": "https://github.com/advisories/GHSA-8ch4-58qp-g3mp", "reference_id": "", "reference_type": "", "scores": [], "url": "https://github.com/advisories/GHSA-8ch4-58qp-g3mp" }, { "reference_url": "https://github.com/pypa/advisory-database/tree/main/vulns/websockets/PYSEC-2021-95.yaml", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.9", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N" }, { "value": "8.2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/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/websockets/PYSEC-2021-95.yaml" }, { "reference_url": "https://www.oracle.com/security-alerts/cpuapr2022.html", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.9", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N" }, { "value": "8.2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://www.oracle.com/security-alerts/cpuapr2022.html" }, { "reference_url": "https://www.oracle.com/security-alerts/cpujan2022.html", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.9", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N" }, { "value": "8.2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://www.oracle.com/security-alerts/cpujan2022.html" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=989561", "reference_id": "989561", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=989561" }, { "reference_url": "https://security.archlinux.org/ASA-202106-26", "reference_id": "ASA-202106-26", "reference_type": "", "scores": [], "url": "https://security.archlinux.org/ASA-202106-26" }, { "reference_url": "https://security.archlinux.org/AVG-2040", "reference_id": "AVG-2040", "reference_type": "", "scores": [ { "value": "Medium", "scoring_system": "archlinux", "scoring_elements": "" } ], "url": "https://security.archlinux.org/AVG-2040" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-33880", "reference_id": "CVE-2021-33880", "reference_type": "", "scores": [ { "value": "5.9", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N" }, { "value": "8.2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-33880" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/22152?format=api", "purl": "pkg:pypi/websockets@9.1", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/websockets@9.1" } ], "aliases": [ "CVE-2021-33880", "GHSA-8ch4-58qp-g3mp", "PYSEC-2021-95" ], "risk_score": 4.0, "exploitability": "0.5", "weighted_severity": "8.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-66rg-p1q7-hken" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/35222?format=api", "vulnerability_id": "VCID-jgps-sj55-xyfj", "summary": "aaugustin websockets version 4 contains a CWE-409: Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in Servers and clients, unless configured with compression=None that can result in Denial of Service by memory exhaustion. This attack appear to be exploitable via Sending a specially crafted frame on an established connection. This vulnerability appears to have been fixed in 5.", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2018-1000518", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00168", "scoring_system": "epss", "scoring_elements": "0.37641", "published_at": "2026-06-04T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2018-1000518" }, { "reference_url": "https://github.com/aaugustin/websockets", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.0/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/aaugustin/websockets" }, { "reference_url": "https://github.com/aaugustin/websockets/pull/407", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.0/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/aaugustin/websockets/pull/407" }, { "reference_url": "https://github.com/advisories/GHSA-6g87-ff9q-v847", "reference_id": "", "reference_type": "", "scores": [], "url": "https://github.com/advisories/GHSA-6g87-ff9q-v847" }, { "reference_url": "https://github.com/pypa/advisory-database/tree/main/vulns/websockets/PYSEC-2018-79.yaml", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.0/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/websockets/PYSEC-2018-79.yaml" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2018-1000518", "reference_id": "CVE-2018-1000518", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.0/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-2018-1000518" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/11534?format=api", "purl": "pkg:pypi/websockets@5.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-66rg-p1q7-hken" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/websockets@5.0" } ], "aliases": [ "CVE-2018-1000518", "GHSA-6g87-ff9q-v847", "PYSEC-2018-79" ], "risk_score": 4.0, "exploitability": "0.5", "weighted_severity": "8.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-jgps-sj55-xyfj" } ], "fixing_vulnerabilities": [], "risk_score": "4.0", "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/websockets@3.4" }