Vulnerability Instance
Lookup for vulnerabilities affecting packages.
GET /api/vulnerabilities/11933?format=api
{ "url": "http://public2.vulnerablecode.io/api/vulnerabilities/11933?format=api", "vulnerability_id": "VCID-actq-bfzh-2kgk", "summary": "Out-of-bounds Write\nHarfBuzz has an out-of-bounds write in hb_bit_set_invertible_t::set (called from hb_sparseset_t<hb_bit_set_invertible_t>::set and hb_set_copy).", "aliases": [ { "alias": "CVE-2021-45931" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/924788?format=api", "purl": "pkg:deb/debian/harfbuzz@0?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/harfbuzz@0%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/924785?format=api", "purl": "pkg:deb/debian/harfbuzz@2.7.4-1?distro=trixie", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-6bw4-j3xa-d3g4" }, { "vulnerability": "VCID-rjd7-a91f-vkhs" }, { "vulnerability": "VCID-zzcp-hvdf-zqgf" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/harfbuzz@2.7.4-1%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/924783?format=api", "purl": "pkg:deb/debian/harfbuzz@6.0.0%2Bdfsg-3?distro=trixie", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-rjd7-a91f-vkhs" }, { "vulnerability": "VCID-zzcp-hvdf-zqgf" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/harfbuzz@6.0.0%252Bdfsg-3%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/924787?format=api", "purl": "pkg:deb/debian/harfbuzz@10.2.0-1?distro=trixie", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-rjd7-a91f-vkhs" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/harfbuzz@10.2.0-1%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/924786?format=api", "purl": "pkg:deb/debian/harfbuzz@12.3.2-2?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/harfbuzz@12.3.2-2%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/74465?format=api", "purl": "pkg:ebuild/media-libs/harfbuzz@4.4.0", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:ebuild/media-libs/harfbuzz@4.4.0" } ], "affected_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/42851?format=api", "purl": "pkg:conan/harfbuzz@2.9.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-actq-bfzh-2kgk" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:conan/harfbuzz@2.9.0" } ], "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-45931.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.3", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-45931.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-45931", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00769", "scoring_system": "epss", "scoring_elements": "0.73448", "published_at": "2026-04-01T12:55:00Z" }, { "value": "0.00769", "scoring_system": "epss", "scoring_elements": "0.73457", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.00769", "scoring_system": "epss", "scoring_elements": "0.73479", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.00769", "scoring_system": "epss", "scoring_elements": "0.73451", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.00769", "scoring_system": "epss", "scoring_elements": "0.73488", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.00769", "scoring_system": "epss", "scoring_elements": "0.73501", "published_at": "2026-04-09T12:55:00Z" }, { "value": "0.00769", "scoring_system": "epss", "scoring_elements": "0.73525", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.00769", "scoring_system": "epss", "scoring_elements": "0.73506", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.00769", "scoring_system": "epss", "scoring_elements": "0.73498", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.00769", "scoring_system": "epss", "scoring_elements": "0.73541", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.00769", "scoring_system": "epss", "scoring_elements": "0.73551", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.00769", "scoring_system": "epss", "scoring_elements": "0.73545", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.00769", "scoring_system": "epss", "scoring_elements": "0.73578", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.00769", "scoring_system": "epss", "scoring_elements": "0.73589", "published_at": "2026-05-11T12:55:00Z" }, { "value": "0.00769", "scoring_system": "epss", "scoring_elements": "0.73588", "published_at": "2026-04-29T12:55:00Z" }, { "value": "0.00769", "scoring_system": "epss", "scoring_elements": "0.7358", "published_at": "2026-05-05T12:55:00Z" }, { "value": "0.00769", "scoring_system": "epss", "scoring_elements": "0.73605", "published_at": "2026-05-07T12:55:00Z" }, { "value": "0.00769", "scoring_system": "epss", "scoring_elements": "0.73628", "published_at": "2026-05-09T12:55:00Z" }, { "value": "0.00769", "scoring_system": "epss", "scoring_elements": "0.73612", "published_at": "2026-05-12T12:55:00Z" }, { "value": "0.00769", "scoring_system": "epss", "scoring_elements": "0.7367", "published_at": "2026-05-14T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-45931" }, { "reference_url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=37425", "reference_id": "", "reference_type": "", "scores": [], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=37425" }, { "reference_url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.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" } ], "url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml" }, { "reference_url": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/harfbuzz/OSV-2021-1159.yaml", "reference_id": "", "reference_type": "", "scores": [], "url": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/harfbuzz/OSV-2021-1159.yaml" }, { "reference_url": "https://github.com/harfbuzz/harfbuzz/commit/d3e09bf4654fe5478b6dbf2b26ebab6271317d81", "reference_id": "", "reference_type": "", "scores": [], "url": "https://github.com/harfbuzz/harfbuzz/commit/d3e09bf4654fe5478b6dbf2b26ebab6271317d81" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2036820", "reference_id": "2036820", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2036820" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-45931", "reference_id": "CVE-2021-45931", "reference_type": "", "scores": [], "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-45931" }, { "reference_url": "https://security.gentoo.org/glsa/202209-11", "reference_id": "GLSA-202209-11", "reference_type": "", "scores": [], "url": "https://security.gentoo.org/glsa/202209-11" } ], "weaknesses": [ { "cwe_id": 1035, "name": "OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities", "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2017." }, { "cwe_id": 787, "name": "Out-of-bounds Write", "description": "The product writes data past the end, or before the beginning, of the intended buffer." }, { "cwe_id": 937, "name": "OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities", "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2013." } ], "exploits": [], "severity_range_score": "6.3 - 7.5", "exploitability": "0.5", "weighted_severity": "5.7", "risk_score": 2.9, "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-actq-bfzh-2kgk" }