Package Instance
Lookup for vulnerable packages by Package URL.
GET /api/packages/1024488?format=api
{ "url": "http://public2.vulnerablecode.io/api/packages/1024488?format=api", "purl": "pkg:apk/alpine/knot-resolver@4.3.0-r0?arch=riscv64&distroversion=edge&reponame=community", "type": "apk", "namespace": "alpine", "name": "knot-resolver", "version": "4.3.0-r0", "qualifiers": { "arch": "riscv64", "distroversion": "edge", "reponame": "community" }, "subpath": "", "is_vulnerable": false, "next_non_vulnerable_version": "5.1.1-r0", "latest_non_vulnerable_version": "5.7.1-r0", "affected_by_vulnerabilities": [], "fixing_vulnerabilities": [ { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/94103?format=api", "vulnerability_id": "VCID-8ks2-kv5d-gkdc", "summary": "knot-resolver before version 4.3.0 is vulnerable to denial of service through high CPU utilization. DNS replies with very many resource records might be processed very inefficiently, in extreme cases taking even several CPU seconds for each such uncached message. For example, a few thousand A records can be squashed into one DNS message (limit is 64kB).", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2019-19331", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00489", "scoring_system": "epss", "scoring_elements": "0.65416", "published_at": "2026-04-01T12:55:00Z" }, { "value": "0.00489", "scoring_system": "epss", "scoring_elements": "0.65465", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.00489", "scoring_system": "epss", "scoring_elements": "0.65492", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.00489", "scoring_system": "epss", "scoring_elements": "0.65457", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.00489", "scoring_system": "epss", "scoring_elements": "0.6551", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.00489", "scoring_system": "epss", "scoring_elements": "0.65521", "published_at": "2026-04-09T12:55:00Z" }, { "value": "0.00489", "scoring_system": "epss", "scoring_elements": "0.65539", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.00489", "scoring_system": "epss", "scoring_elements": "0.65526", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.00489", "scoring_system": "epss", "scoring_elements": "0.65499", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.00489", "scoring_system": "epss", "scoring_elements": "0.65534", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.00489", "scoring_system": "epss", "scoring_elements": "0.65546", "published_at": "2026-04-18T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2019-19331" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19331", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19331" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=946181", "reference_id": "946181", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=946181" }, { "reference_url": "https://usn.ubuntu.com/7047-1/", "reference_id": "USN-7047-1", "reference_type": "", "scores": [], "url": "https://usn.ubuntu.com/7047-1/" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/1024488?format=api", "purl": "pkg:apk/alpine/knot-resolver@4.3.0-r0?arch=riscv64&distroversion=edge&reponame=community", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:apk/alpine/knot-resolver@4.3.0-r0%3Farch=riscv64&distroversion=edge&reponame=community" } ], "aliases": [ "CVE-2019-19331" ], "risk_score": null, "exploitability": "0.5", "weighted_severity": "0.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-8ks2-kv5d-gkdc" } ], "risk_score": null, "resource_url": "http://public2.vulnerablecode.io/packages/pkg:apk/alpine/knot-resolver@4.3.0-r0%3Farch=riscv64&distroversion=edge&reponame=community" }