Package Instance
Lookup for vulnerable packages by Package URL.
GET /api/packages/86301?format=api
{ "url": "http://public2.vulnerablecode.io/api/packages/86301?format=api", "purl": "pkg:mozilla/Firefox@87.0.0", "type": "mozilla", "namespace": "", "name": "Firefox", "version": "87.0.0", "qualifiers": {}, "subpath": "", "is_vulnerable": false, "next_non_vulnerable_version": "88.0.0", "latest_non_vulnerable_version": "150.0.2", "affected_by_vulnerabilities": [], "fixing_vulnerabilities": [ { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/63219?format=api", "vulnerability_id": "VCID-dy9a-9mc6-hfbc", "summary": "A transient execution vulnerability, named Floating Point Value Injection (FPVI) allowed an attacker to leak arbitrary memory addresses and may have also enabled JIT type confusion attacks. (A related vulnerability, Speculative Code Store Bypass (SCSB), did not affect Firefox.)", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-29955", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00884", "scoring_system": "epss", "scoring_elements": "0.75536", "published_at": "2026-05-07T12:55:00Z" }, { "value": "0.00884", "scoring_system": "epss", "scoring_elements": "0.75496", "published_at": "2026-04-29T12:55:00Z" }, { "value": "0.00884", "scoring_system": "epss", "scoring_elements": "0.75507", "published_at": "2026-05-05T12:55:00Z" }, { "value": "0.00884", "scoring_system": "epss", "scoring_elements": "0.75361", "published_at": "2026-04-01T12:55:00Z" }, { "value": "0.00884", "scoring_system": "epss", "scoring_elements": "0.75365", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.00884", "scoring_system": "epss", "scoring_elements": "0.75397", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.00884", "scoring_system": "epss", "scoring_elements": "0.75377", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.00884", "scoring_system": "epss", "scoring_elements": "0.75419", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.00884", "scoring_system": "epss", "scoring_elements": "0.75429", "published_at": "2026-04-09T12:55:00Z" }, { "value": "0.00884", "scoring_system": "epss", "scoring_elements": "0.75449", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.00884", "scoring_system": "epss", "scoring_elements": "0.75427", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.00884", "scoring_system": "epss", "scoring_elements": "0.75416", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.00884", "scoring_system": "epss", "scoring_elements": "0.75457", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.00884", "scoring_system": "epss", "scoring_elements": "0.75463", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.00884", "scoring_system": "epss", "scoring_elements": "0.75452", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.00884", "scoring_system": "epss", "scoring_elements": "0.75487", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.00884", "scoring_system": "epss", "scoring_elements": "0.75492", "published_at": "2026-04-26T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-29955" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23981", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23981" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23982", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23982" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23984", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23984" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23987", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23987" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29955", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29955" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4127", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4127" }, { "reference_url": "https://www.mozilla.org/en-US/security/advisories/mfsa2021-10", "reference_id": "mfsa2021-10", "reference_type": "", "scores": [ { "value": "high", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2021-10" }, { "reference_url": "https://www.mozilla.org/en-US/security/advisories/mfsa2021-11", "reference_id": "mfsa2021-11", "reference_type": "", "scores": [ { "value": "high", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2021-11" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/86301?format=api", "purl": "pkg:mozilla/Firefox@87.0.0", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:mozilla/Firefox@87.0.0" } ], "aliases": [ "CVE-2021-29955" ], "risk_score": 4.0, "exploitability": "0.5", "weighted_severity": "8.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-dy9a-9mc6-hfbc" } ], "risk_score": null, "resource_url": "http://public2.vulnerablecode.io/packages/pkg:mozilla/Firefox@87.0.0" }