Vulnerability Instance
Lookup for vulnerabilities affecting packages.
GET /api/vulnerabilities/94800?format=api
{ "url": "http://public2.vulnerablecode.io/api/vulnerabilities/94800?format=api", "vulnerability_id": "VCID-eejx-9f6j-9qej", "summary": "Matrix libolm before 3.2.3 allows a malicious Matrix homeserver to crash a client (while it is attempting to retrieve an Olm encrypted room key backup from the homeserver) because olm_pk_decrypt has a stack-based buffer overflow. Remote code execution might be possible for some nonstandard build configurations.", "aliases": [ { "alias": "CVE-2021-34813" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/374792?format=api", "purl": "pkg:alpm/archlinux/libolm@3.2.3-1", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:alpm/archlinux/libolm@3.2.3-1" }, { "url": "http://public2.vulnerablecode.io/api/packages/933355?format=api", "purl": "pkg:deb/debian/olm@3.2.3~dfsg-3?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/olm@3.2.3~dfsg-3%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/933354?format=api", "purl": "pkg:deb/debian/olm@3.2.13~dfsg-1?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/olm@3.2.13~dfsg-1%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/1056721?format=api", "purl": "pkg:deb/debian/olm@3.2.13~dfsg-1", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/olm@3.2.13~dfsg-1" }, { "url": "http://public2.vulnerablecode.io/api/packages/933357?format=api", "purl": "pkg:deb/debian/olm@3.2.16%2Bdfsg-3?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/olm@3.2.16%252Bdfsg-3%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/933356?format=api", "purl": "pkg:deb/debian/olm@3.2.16%2Bdfsg-5?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/olm@3.2.16%252Bdfsg-5%3Fdistro=trixie" } ], "affected_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/374791?format=api", "purl": "pkg:alpm/archlinux/libolm@3.2.2-1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-eejx-9f6j-9qej" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:alpm/archlinux/libolm@3.2.2-1" }, { "url": "http://public2.vulnerablecode.io/api/packages/1056720?format=api", "purl": "pkg:deb/debian/olm@3.2.1~dfsg-7", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-1mm2-4b1k-afat" }, { "vulnerability": "VCID-eejx-9f6j-9qej" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/olm@3.2.1~dfsg-7" }, { "url": "http://public2.vulnerablecode.io/api/packages/933353?format=api", "purl": "pkg:deb/debian/olm@3.2.1~dfsg-7?distro=trixie", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-1mm2-4b1k-afat" }, { "vulnerability": "VCID-eejx-9f6j-9qej" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/olm@3.2.1~dfsg-7%3Fdistro=trixie" } ], "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-34813", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.04458", "scoring_system": "epss", "scoring_elements": "0.89169", "published_at": "2026-05-14T12:55:00Z" }, { "value": "0.04458", "scoring_system": "epss", "scoring_elements": "0.8902", "published_at": "2026-04-01T12:55:00Z" }, { "value": "0.04458", "scoring_system": "epss", "scoring_elements": "0.89028", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.04458", "scoring_system": "epss", "scoring_elements": "0.89043", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.04458", "scoring_system": "epss", "scoring_elements": "0.89045", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.04458", "scoring_system": "epss", "scoring_elements": "0.89062", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.04458", "scoring_system": "epss", "scoring_elements": "0.89067", "published_at": "2026-04-09T12:55:00Z" }, { "value": "0.04458", "scoring_system": "epss", "scoring_elements": "0.89079", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.04458", "scoring_system": "epss", "scoring_elements": "0.89075", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.04458", "scoring_system": "epss", "scoring_elements": "0.89072", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.04458", "scoring_system": "epss", "scoring_elements": "0.89087", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.04458", "scoring_system": "epss", "scoring_elements": "0.89083", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.04458", "scoring_system": "epss", "scoring_elements": "0.89101", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.04458", "scoring_system": "epss", "scoring_elements": "0.89108", "published_at": "2026-04-26T12:55:00Z" }, { "value": "0.04458", "scoring_system": "epss", "scoring_elements": "0.89111", "published_at": "2026-04-29T12:55:00Z" }, { "value": "0.04458", "scoring_system": "epss", "scoring_elements": "0.89118", "published_at": "2026-05-05T12:55:00Z" }, { "value": "0.04458", "scoring_system": "epss", "scoring_elements": "0.89135", "published_at": "2026-05-07T12:55:00Z" }, { "value": "0.04458", "scoring_system": "epss", "scoring_elements": "0.89146", "published_at": "2026-05-09T12:55:00Z" }, { "value": "0.04458", "scoring_system": "epss", "scoring_elements": "0.89142", "published_at": "2026-05-11T12:55:00Z" }, { "value": "0.04458", "scoring_system": "epss", "scoring_elements": "0.89152", "published_at": "2026-05-12T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-34813" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34813", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34813" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=989997", "reference_id": "989997", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=989997" }, { "reference_url": "https://security.archlinux.org/AVG-2077", "reference_id": "AVG-2077", "reference_type": "", "scores": [ { "value": "Low", "scoring_system": "archlinux", "scoring_elements": "" } ], "url": "https://security.archlinux.org/AVG-2077" }, { "reference_url": "https://usn.ubuntu.com/USN-5194-1/", "reference_id": "USN-USN-5194-1", "reference_type": "", "scores": [], "url": "https://usn.ubuntu.com/USN-5194-1/" } ], "weaknesses": [], "exploits": [], "severity_range_score": "0.1 - 3", "exploitability": "0.5", "weighted_severity": "2.7", "risk_score": 1.4, "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-eejx-9f6j-9qej" }