Vulnerability Instance
Lookup for vulnerabilities affecting packages.
GET /api/vulnerabilities/353906?format=api
{ "url": "http://public2.vulnerablecode.io/api/vulnerabilities/353906?format=api", "vulnerability_id": "VCID-hmcw-zcsy-9qcf", "summary": "The method \"sock_recvfrom_into()\" of \"asyncio.ProacterEventLoop\" (Windows only) was missing a boundary check for the data buffer when using nbytes parameter. This allowed for an out-of-bounds buffer write if data was larger than the buffer size. Non-Windows platforms are not affected.", "aliases": [ { "alias": "CVE-2026-3298" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/936960?format=api", "purl": "pkg:deb/debian/python3.11@0?distro=bookworm", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/python3.11@0%3Fdistro=bookworm" }, { "url": "http://public2.vulnerablecode.io/api/packages/936953?format=api", "purl": "pkg:deb/debian/python3.11@3.11.2-6%2Bdeb12u6?distro=bookworm", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/python3.11@3.11.2-6%252Bdeb12u6%3Fdistro=bookworm" }, { "url": "http://public2.vulnerablecode.io/api/packages/936964?format=api", "purl": "pkg:deb/debian/python3.13@0?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/python3.13@0%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/936965?format=api", "purl": "pkg:deb/debian/python3.13@3.13.5-2?distro=trixie", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-1uk5-6yqb-dyb5" }, { "vulnerability": "VCID-8b19-pezx-6bcd" }, { "vulnerability": "VCID-8dtv-379a-wqfs" }, { "vulnerability": "VCID-94n7-6q4s-3udv" }, { "vulnerability": "VCID-bn83-d2qp-9bfy" }, { "vulnerability": "VCID-emaw-jmek-9bcy" }, { "vulnerability": "VCID-fcsb-dn49-47gy" }, { "vulnerability": "VCID-kn9b-2gxw-gqgx" }, { "vulnerability": "VCID-mtk7-qut6-syd8" }, { "vulnerability": "VCID-nqqc-u8d5-8qf6" }, { "vulnerability": "VCID-zh1r-7rzh-2bez" }, { "vulnerability": "VCID-znkr-fxtj-4uc7" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/python3.13@3.13.5-2%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/936963?format=api", "purl": "pkg:deb/debian/python3.13@3.13.12-1?distro=trixie", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-zxzn-25zt-ukct" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/python3.13@3.13.12-1%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/936980?format=api", "purl": "pkg:deb/debian/python3.14@0?distro=sid", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/python3.14@0%3Fdistro=sid" }, { "url": "http://public2.vulnerablecode.io/api/packages/936975?format=api", "purl": "pkg:deb/debian/python3.14@3.14.3-3?distro=sid", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-11ed-tk56-8khn" }, { "vulnerability": "VCID-1pr1-jkqa-43g6" }, { "vulnerability": "VCID-9vcx-2fts-gkfw" }, { "vulnerability": "VCID-gqzt-rh1w-jkfu" }, { "vulnerability": "VCID-n4au-q9bs-kucb" }, { "vulnerability": "VCID-q653-8f64-gkbe" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/python3.14@3.14.3-3%3Fdistro=sid" }, { "url": "http://public2.vulnerablecode.io/api/packages/1076119?format=api", "purl": "pkg:deb/debian/python3.14@3.14.4-2?distro=sid", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-rcu5-gpmt-r7cb" }, { "vulnerability": "VCID-vk3a-td8w-ebfp" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/python3.14@3.14.4-2%3Fdistro=sid" }, { "url": "http://public2.vulnerablecode.io/api/packages/1103052?format=api", "purl": "pkg:deb/debian/python3.14@3.14.5~rc1-1?distro=sid", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/python3.14@3.14.5~rc1-1%3Fdistro=sid" }, { "url": "http://public2.vulnerablecode.io/api/packages/936985?format=api", "purl": "pkg:deb/debian/python3.9@0?distro=bullseye", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/python3.9@0%3Fdistro=bullseye" }, { "url": "http://public2.vulnerablecode.io/api/packages/936982?format=api", "purl": "pkg:deb/debian/python3.9@3.9.2-1?distro=bullseye", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/python3.9@3.9.2-1%3Fdistro=bullseye" } ], "affected_packages": [], "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2026-3298", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.0005", "scoring_system": "epss", "scoring_elements": "0.15623", "published_at": "2026-04-26T12:55:00Z" }, { "value": "0.0005", "scoring_system": "epss", "scoring_elements": "0.15624", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.00066", "scoring_system": "epss", "scoring_elements": "0.20239", "published_at": "2026-05-05T12:55:00Z" }, { "value": "0.00066", "scoring_system": "epss", "scoring_elements": "0.2034", "published_at": "2026-04-29T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-3298" }, { "reference_url": "https://github.com/python/cpython/commit/1274766d3c29007ab77245a72abbf8dce2a9db4d", "reference_id": "1274766d3c29007ab77245a72abbf8dce2a9db4d", "reference_type": "", "scores": [ { "value": "8.8", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-21T19:15:36Z/" } ], "url": "https://github.com/python/cpython/commit/1274766d3c29007ab77245a72abbf8dce2a9db4d" }, { "reference_url": "https://github.com/python/cpython/issues/148808", "reference_id": "148808", "reference_type": "", "scores": [ { "value": "8.8", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-21T19:15:36Z/" } ], "url": "https://github.com/python/cpython/issues/148808" }, { "reference_url": "https://github.com/python/cpython/pull/148809", "reference_id": "148809", "reference_type": "", "scores": [ { "value": "8.8", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-21T19:15:36Z/" } ], "url": "https://github.com/python/cpython/pull/148809" }, { "reference_url": "https://github.com/python/cpython/commit/27522b7d6e6588f03e61099dd858cd5a9314e2f2", "reference_id": "27522b7d6e6588f03e61099dd858cd5a9314e2f2", "reference_type": "", "scores": [ { "value": "8.8", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-21T19:15:36Z/" } ], "url": "https://github.com/python/cpython/commit/27522b7d6e6588f03e61099dd858cd5a9314e2f2" }, { "reference_url": "https://github.com/python/cpython/commit/95633d2aad4721e25e4dfd9f43dfb6e1edcbd741", "reference_id": "95633d2aad4721e25e4dfd9f43dfb6e1edcbd741", "reference_type": "", "scores": [ { "value": "8.8", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-21T19:15:36Z/" } ], "url": "https://github.com/python/cpython/commit/95633d2aad4721e25e4dfd9f43dfb6e1edcbd741" }, { "reference_url": "https://mail.python.org/archives/list/security-announce@python.org/thread/KWTPIQBOOOUNQP7UFSLBI437NJDFLA3F/", "reference_id": "KWTPIQBOOOUNQP7UFSLBI437NJDFLA3F", "reference_type": "", "scores": [ { "value": "8.8", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-21T19:15:36Z/" } ], "url": "https://mail.python.org/archives/list/security-announce@python.org/thread/KWTPIQBOOOUNQP7UFSLBI437NJDFLA3F/" } ], "weaknesses": [ { "cwe_id": 787, "name": "Out-of-bounds Write", "description": "The product writes data past the end, or before the beginning, of the intended buffer." } ], "exploits": [], "severity_range_score": "8.8 - 8.8", "exploitability": null, "weighted_severity": null, "risk_score": null, "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-hmcw-zcsy-9qcf" }