Package Instance
Lookup for vulnerable packages by Package URL.
GET /api/packages/371962?format=api
{ "url": "http://public2.vulnerablecode.io/api/packages/371962?format=api", "purl": "pkg:alpm/archlinux/firefox@91.0-1", "type": "alpm", "namespace": "archlinux", "name": "firefox", "version": "91.0-1", "qualifiers": {}, "subpath": "", "is_vulnerable": true, "next_non_vulnerable_version": "91.0.1-1", "latest_non_vulnerable_version": "101.0-1", "affected_by_vulnerabilities": [ { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/63242?format=api", "vulnerability_id": "VCID-9kc8-k5kc-u7em", "summary": "Firefox incorrectly accepted a newline in a HTTP/3 header, interpreting it as two separate headers. This allowed for a header splitting attack against servers using HTTP/3.", "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-29991.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-29991.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-29991", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00341", "scoring_system": "epss", "scoring_elements": "0.56725", "published_at": "2026-04-01T12:55:00Z" }, { "value": "0.00341", "scoring_system": "epss", "scoring_elements": "0.56785", "published_at": "2026-04-29T12:55:00Z" }, { "value": "0.00341", "scoring_system": "epss", "scoring_elements": "0.56866", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.00341", "scoring_system": "epss", "scoring_elements": "0.56843", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.00341", "scoring_system": "epss", "scoring_elements": "0.56784", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.00341", "scoring_system": "epss", "scoring_elements": "0.56801", "published_at": "2026-04-26T12:55:00Z" }, { "value": "0.00341", "scoring_system": "epss", "scoring_elements": "0.56819", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.00341", "scoring_system": "epss", "scoring_elements": "0.5684", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.00341", "scoring_system": "epss", "scoring_elements": "0.56816", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.00341", "scoring_system": "epss", "scoring_elements": "0.56868", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.00341", "scoring_system": "epss", "scoring_elements": "0.56872", "published_at": "2026-04-09T12:55:00Z" }, { "value": "0.00341", "scoring_system": "epss", "scoring_elements": "0.5688", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.00341", "scoring_system": "epss", "scoring_elements": "0.5686", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.00341", "scoring_system": "epss", "scoring_elements": "0.56838", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.00341", "scoring_system": "epss", "scoring_elements": "0.56869", "published_at": "2026-04-16T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-29991" }, { "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:H/A:N" } ], "url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=1995267", "reference_id": "1995267", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1995267" }, { "reference_url": "https://security.archlinux.org/AVG-2291", "reference_id": "AVG-2291", "reference_type": "", "scores": [ { "value": "High", "scoring_system": "archlinux", "scoring_elements": "" } ], "url": "https://security.archlinux.org/AVG-2291" }, { "reference_url": "https://security.archlinux.org/AVG-2301", "reference_id": "AVG-2301", "reference_type": "", "scores": [ { "value": "High", "scoring_system": "archlinux", "scoring_elements": "" } ], "url": "https://security.archlinux.org/AVG-2301" }, { "reference_url": "https://www.mozilla.org/en-US/security/advisories/mfsa2021-37", "reference_id": "mfsa2021-37", "reference_type": "", "scores": [ { "value": "high", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2021-37" }, { "reference_url": "https://usn.ubuntu.com/5047-1/", "reference_id": "USN-5047-1", "reference_type": "", "scores": [], "url": "https://usn.ubuntu.com/5047-1/" }, { "reference_url": "https://usn.ubuntu.com/5248-1/", "reference_id": "USN-5248-1", "reference_type": "", "scores": [], "url": "https://usn.ubuntu.com/5248-1/" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/371963?format=api", "purl": "pkg:alpm/archlinux/firefox@91.0.1-1", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:alpm/archlinux/firefox@91.0.1-1" } ], "aliases": [ "CVE-2021-29991" ], "risk_score": 4.0, "exploitability": "0.5", "weighted_severity": "8.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-9kc8-k5kc-u7em" } ], "fixing_vulnerabilities": [ { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/31123?format=api", "vulnerability_id": "VCID-2syj-hbw7-fkbp", "summary": "Multiple vulnerabilities have been found in Mozilla Thunderbird, the worst of which could result in the arbitrary execution of code.", "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-29988.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.8", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-29988.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-29988", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.0062", "scoring_system": "epss", "scoring_elements": "0.70122", "published_at": "2026-04-29T12:55:00Z" }, { "value": "0.0062", "scoring_system": "epss", "scoring_elements": "0.70059", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.0062", "scoring_system": "epss", "scoring_elements": "0.70043", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.0062", "scoring_system": "epss", "scoring_elements": "0.7003", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.0062", "scoring_system": "epss", "scoring_elements": "0.70073", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.0062", "scoring_system": "epss", "scoring_elements": "0.70082", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.0062", "scoring_system": "epss", "scoring_elements": "0.70063", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.0062", "scoring_system": "epss", "scoring_elements": "0.70115", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.0062", "scoring_system": "epss", "scoring_elements": "0.69968", "published_at": "2026-04-01T12:55:00Z" }, { "value": "0.0062", "scoring_system": "epss", "scoring_elements": "0.6998", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.0062", "scoring_system": "epss", "scoring_elements": "0.69994", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.0062", "scoring_system": "epss", "scoring_elements": "0.69971", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.0062", "scoring_system": "epss", "scoring_elements": "0.70019", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.0062", "scoring_system": "epss", "scoring_elements": "0.70035", "published_at": "2026-04-09T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-29988" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29980", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29980" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29984", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29984" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29985", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29985" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29986", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29986" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29988", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29988" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29989", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29989" }, { "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:H/PR:N/UI:R/S:U/C:H/I:H/A:H" } ], "url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=1992419", "reference_id": "1992419", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1992419" }, { "reference_url": "https://security.archlinux.org/ASA-202108-14", "reference_id": "ASA-202108-14", "reference_type": "", "scores": [], "url": "https://security.archlinux.org/ASA-202108-14" }, { "reference_url": "https://security.archlinux.org/AVG-2269", "reference_id": "AVG-2269", "reference_type": "", "scores": [ { "value": "High", "scoring_system": "archlinux", "scoring_elements": "" } ], "url": "https://security.archlinux.org/AVG-2269" }, { "reference_url": "https://security.archlinux.org/AVG-2270", "reference_id": "AVG-2270", "reference_type": "", "scores": [ { "value": "High", "scoring_system": "archlinux", "scoring_elements": "" } ], "url": "https://security.archlinux.org/AVG-2270" }, { "reference_url": "https://security.gentoo.org/glsa/202202-03", "reference_id": "GLSA-202202-03", "reference_type": "", "scores": [], "url": "https://security.gentoo.org/glsa/202202-03" }, { "reference_url": "https://security.gentoo.org/glsa/202208-14", "reference_id": "GLSA-202208-14", "reference_type": "", "scores": [], "url": "https://security.gentoo.org/glsa/202208-14" }, { "reference_url": "https://www.mozilla.org/en-US/security/advisories/mfsa2021-33", "reference_id": "mfsa2021-33", "reference_type": "", "scores": [ { "value": "high", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2021-33" }, { "reference_url": "https://www.mozilla.org/en-US/security/advisories/mfsa2021-34", "reference_id": "mfsa2021-34", "reference_type": "", "scores": [ { "value": "high", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2021-34" }, { "reference_url": "https://www.mozilla.org/en-US/security/advisories/mfsa2021-35", "reference_id": "mfsa2021-35", "reference_type": "", "scores": [ { "value": "high", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2021-35" }, { "reference_url": "https://www.mozilla.org/en-US/security/advisories/mfsa2021-36", "reference_id": "mfsa2021-36", "reference_type": "", "scores": [ { "value": "high", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2021-36" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2021:3154", "reference_id": "RHSA-2021:3154", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2021:3154" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2021:3155", "reference_id": "RHSA-2021:3155", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2021:3155" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2021:3156", "reference_id": "RHSA-2021:3156", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2021:3156" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2021:3157", "reference_id": "RHSA-2021:3157", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2021:3157" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2021:3159", "reference_id": "RHSA-2021:3159", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2021:3159" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2021:3160", "reference_id": "RHSA-2021:3160", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2021:3160" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2021:3161", "reference_id": "RHSA-2021:3161", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2021:3161" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2021:3162", "reference_id": "RHSA-2021:3162", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2021:3162" }, { "reference_url": "https://usn.ubuntu.com/5037-1/", "reference_id": "USN-5037-1", "reference_type": "", "scores": [], "url": "https://usn.ubuntu.com/5037-1/" }, { "reference_url": "https://usn.ubuntu.com/5058-1/", "reference_id": "USN-5058-1", "reference_type": "", "scores": [], "url": "https://usn.ubuntu.com/5058-1/" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/371962?format=api", "purl": "pkg:alpm/archlinux/firefox@91.0-1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-9kc8-k5kc-u7em" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:alpm/archlinux/firefox@91.0-1" } ], "aliases": [ "CVE-2021-29988" ], "risk_score": 4.0, "exploitability": "0.5", "weighted_severity": "8.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-2syj-hbw7-fkbp" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/31119?format=api", "vulnerability_id": "VCID-4vt1-q4wj-87bm", "summary": "Multiple vulnerabilities have been found in Mozilla Thunderbird, the worst of which could result in the arbitrary execution of code.", "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-29980.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.8", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-29980.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-29980", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00411", "scoring_system": "epss", "scoring_elements": "0.61392", "published_at": "2026-04-29T12:55:00Z" }, { "value": "0.00411", "scoring_system": "epss", "scoring_elements": "0.61405", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.00411", "scoring_system": "epss", "scoring_elements": "0.6139", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.00411", "scoring_system": "epss", "scoring_elements": "0.61371", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.00411", "scoring_system": "epss", "scoring_elements": "0.6141", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.00411", "scoring_system": "epss", "scoring_elements": "0.61413", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.00411", "scoring_system": "epss", "scoring_elements": "0.61395", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.00411", "scoring_system": "epss", "scoring_elements": "0.61398", "published_at": "2026-04-26T12:55:00Z" }, { "value": "0.00411", "scoring_system": "epss", "scoring_elements": "0.61244", "published_at": "2026-04-01T12:55:00Z" }, { "value": "0.00411", "scoring_system": "epss", "scoring_elements": "0.61324", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.00411", "scoring_system": "epss", "scoring_elements": "0.61353", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.00411", "scoring_system": "epss", "scoring_elements": "0.61322", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.00411", "scoring_system": "epss", "scoring_elements": "0.61369", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.00411", "scoring_system": "epss", "scoring_elements": "0.61384", "published_at": "2026-04-24T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-29980" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29980", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29980" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29984", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29984" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29985", "reference_id": "", 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