Package Instance
Lookup for vulnerable packages by Package URL.
GET /api/packages/64249?format=api
{ "url": "http://public2.vulnerablecode.io/api/packages/64249?format=api", "purl": "pkg:gem/sinatra@4.2.0", "type": "gem", "namespace": "", "name": "sinatra", "version": "4.2.0", "qualifiers": {}, "subpath": "", "is_vulnerable": false, "next_non_vulnerable_version": null, "latest_non_vulnerable_version": null, "affected_by_vulnerabilities": [], "fixing_vulnerabilities": [ { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/21783?format=api", "vulnerability_id": "VCID-tax5-a72w-mbhy", "summary": "Sinatra is vulnerable to ReDoS through ETag header value generation\nThere is a denial of service vulnerability in the `If-Match` and `If-None-Match` header parsing component of Sinatra, if the `etag` method is used when constructing the response and you are using Ruby < 3.2.", "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-61921.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-61921.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2025-61921", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00397", "scoring_system": "epss", "scoring_elements": "0.60526", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.00397", "scoring_system": "epss", "scoring_elements": "0.60484", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.00397", "scoring_system": "epss", "scoring_elements": "0.60505", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.00397", "scoring_system": "epss", "scoring_elements": "0.60518", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.00397", "scoring_system": "epss", "scoring_elements": "0.60497", "published_at": "2026-04-09T12:55:00Z" }, { "value": "0.00397", "scoring_system": "epss", "scoring_elements": "0.60481", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.00397", "scoring_system": "epss", "scoring_elements": "0.60433", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.00397", "scoring_system": "epss", "scoring_elements": "0.60465", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.00397", "scoring_system": "epss", "scoring_elements": "0.60438", "published_at": "2026-04-02T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2025-61921" }, { "reference_url": "https://bugs.ruby-lang.org/issues/19104", "reference_id": "", "reference_type": "", "scores": [ { "value": "2.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-10-10T20:54:24Z/" } ], "url": "https://bugs.ruby-lang.org/issues/19104" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-61921", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-61921" }, { "reference_url": "https://github.com/sinatra/sinatra", "reference_id": "", "reference_type": "", "scores": [ { "value": "2.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/sinatra/sinatra" }, { "reference_url": "https://github.com/sinatra/sinatra/commit/3fe8c38dc405586f7ad8f2ac748aa53e9c3615bd", "reference_id": "", "reference_type": "", "scores": [ { "value": "2.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/sinatra/sinatra/commit/3fe8c38dc405586f7ad8f2ac748aa53e9c3615bd" }, { "reference_url": "https://github.com/sinatra/sinatra/commit/8ff496bd4877520599e1479d6efead39304edceb", "reference_id": "", "reference_type": "", "scores": [ { "value": "2.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/sinatra/sinatra/commit/8ff496bd4877520599e1479d6efead39304edceb" }, { "reference_url": "https://github.com/sinatra/sinatra/issues/2120", "reference_id": "", "reference_type": "", "scores": [ { "value": "2.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-10-10T20:54:24Z/" } ], "url": "https://github.com/sinatra/sinatra/issues/2120" }, { "reference_url": "https://github.com/sinatra/sinatra/pull/1823", "reference_id": "", "reference_type": "", "scores": [ { "value": "2.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-10-10T20:54:24Z/" } ], "url": "https://github.com/sinatra/sinatra/pull/1823" }, { "reference_url": "https://github.com/sinatra/sinatra/pull/2121", "reference_id": "", "reference_type": "", "scores": [ { "value": "2.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-10-10T20:54:24Z/" } ], "url": "https://github.com/sinatra/sinatra/pull/2121" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1118290", "reference_id": "1118290", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1118290" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2403178", "reference_id": "2403178", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2403178" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2025-61921", "reference_id": "CVE-2025-61921", "reference_type": "", "scores": [ { "value": "2.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-61921" }, { "reference_url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/sinatra/CVE-2025-61921.yml", "reference_id": "CVE-2025-61921.YML", "reference_type": "", "scores": [ { "value": "2.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/sinatra/CVE-2025-61921.yml" }, { "reference_url": "https://github.com/advisories/GHSA-mr3q-g2mv-mr4q", "reference_id": "GHSA-mr3q-g2mv-mr4q", "reference_type": "", "scores": [ { "value": "LOW", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-mr3q-g2mv-mr4q" }, { "reference_url": "https://github.com/sinatra/sinatra/security/advisories/GHSA-mr3q-g2mv-mr4q", "reference_id": "GHSA-mr3q-g2mv-mr4q", "reference_type": "", "scores": [ { "value": "LOW", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" }, { "value": "2.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-10-10T20:54:24Z/" } ], "url": "https://github.com/sinatra/sinatra/security/advisories/GHSA-mr3q-g2mv-mr4q" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/64249?format=api", "purl": "pkg:gem/sinatra@4.2.0", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:gem/sinatra@4.2.0" } ], "aliases": [ "CVE-2025-61921", "GHSA-mr3q-g2mv-mr4q" ], "risk_score": 2.4, "exploitability": "0.5", "weighted_severity": "4.8", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-tax5-a72w-mbhy" } ], "risk_score": null, "resource_url": "http://public2.vulnerablecode.io/packages/pkg:gem/sinatra@4.2.0" }