Vulnerability Instance
Lookup for vulnerabilities affecting packages.
GET /api/vulnerabilities/80624?format=api
{ "url": "http://public2.vulnerablecode.io/api/vulnerabilities/80624?format=api", "vulnerability_id": "VCID-y3b5-9fv7-vyd2", "summary": "libgcrypt: Heap buffer overflow in the block buffer management code", "aliases": [ { "alias": "CVE-2021-3345" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/371217?format=api", "purl": "pkg:alpm/archlinux/libgcrypt@1.9.1-1", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:alpm/archlinux/libgcrypt@1.9.1-1" }, { "url": "http://public2.vulnerablecode.io/api/packages/927383?format=api", "purl": "pkg:deb/debian/libgcrypt20@0?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/libgcrypt20@0%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/927372?format=api", "purl": "pkg:deb/debian/libgcrypt20@1.8.7-6?distro=trixie", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-qxvk-tsv9-9bf3" }, { "vulnerability": "VCID-ym4a-3eek-9qch" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/libgcrypt20@1.8.7-6%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/927370?format=api", "purl": "pkg:deb/debian/libgcrypt20@1.10.1-3?distro=trixie", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-qxvk-tsv9-9bf3" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/libgcrypt20@1.10.1-3%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/927374?format=api", "purl": "pkg:deb/debian/libgcrypt20@1.11.0-7?distro=trixie", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-qxvk-tsv9-9bf3" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/libgcrypt20@1.11.0-7%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/927373?format=api", "purl": "pkg:deb/debian/libgcrypt20@1.12.1-2?distro=trixie", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-cg9t-tsfn-3fb8" }, { "vulnerability": "VCID-qxvk-tsv9-9bf3" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/libgcrypt20@1.12.1-2%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/1076082?format=api", "purl": "pkg:deb/debian/libgcrypt20@1.12.2-1?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/libgcrypt20@1.12.2-1%3Fdistro=trixie" } ], "affected_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/371216?format=api", "purl": "pkg:alpm/archlinux/libgcrypt@1.9.0-2", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-y3b5-9fv7-vyd2" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:alpm/archlinux/libgcrypt@1.9.0-2" } ], "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-3345.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "9.8", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-3345.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-3345", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.05706", "scoring_system": "epss", "scoring_elements": "0.9038", "published_at": "2026-04-01T12:55:00Z" }, { "value": "0.05706", "scoring_system": "epss", "scoring_elements": "0.90383", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.05706", "scoring_system": "epss", "scoring_elements": "0.90395", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.05706", "scoring_system": "epss", "scoring_elements": "0.90399", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.05706", "scoring_system": "epss", "scoring_elements": "0.90413", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.05706", "scoring_system": "epss", "scoring_elements": "0.9042", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.05706", "scoring_system": "epss", "scoring_elements": "0.90428", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.05706", "scoring_system": "epss", "scoring_elements": "0.90427", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.05706", "scoring_system": "epss", "scoring_elements": "0.90435", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.05706", "scoring_system": "epss", "scoring_elements": "0.90433", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.05706", "scoring_system": "epss", "scoring_elements": "0.90447", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.05706", "scoring_system": "epss", "scoring_elements": "0.90446", "published_at": "2026-04-26T12:55:00Z" }, { "value": "0.05706", "scoring_system": "epss", "scoring_elements": "0.90443", "published_at": "2026-04-29T12:55:00Z" }, { "value": "0.05706", "scoring_system": "epss", "scoring_elements": "0.90454", "published_at": "2026-05-05T12:55:00Z" }, { "value": "0.05706", "scoring_system": "epss", "scoring_elements": "0.90472", "published_at": "2026-05-07T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-3345" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=1923210", "reference_id": "1923210", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1923210" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=981370", "reference_id": "981370", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=981370" }, { "reference_url": "https://security.archlinux.org/ASA-202101-45", "reference_id": "ASA-202101-45", "reference_type": "", "scores": [], "url": "https://security.archlinux.org/ASA-202101-45" }, { "reference_url": "https://security.archlinux.org/AVG-1505", "reference_id": "AVG-1505", "reference_type": "", "scores": [ { "value": "Critical", "scoring_system": "archlinux", "scoring_elements": "" } ], "url": "https://security.archlinux.org/AVG-1505" } ], "weaknesses": [ { "cwe_id": 191, "name": "Integer Underflow (Wrap or Wraparound)", "description": "The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result." }, { "cwe_id": 122, "name": "Heap-based Buffer Overflow", "description": "A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc()." }, { "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": "9.0 - 10.0", "exploitability": "0.5", "weighted_severity": "9.0", "risk_score": 4.5, "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-y3b5-9fv7-vyd2" }