{"id":"CVE-2025-68475","sourceIdentifier":"security-advisories@github.com","published":"2025-12-22T22:16:09.143","lastModified":"2026-09-28T10:10:00.473","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"Fedify is a TypeScript library for building federated server apps powered by ActivityPub. Prior to versions 1.6.13, 1.7.14, 1.8.15, and 1.9.2, a Regular Expression Denial of Service (ReDoS) vulnerability exists in Fedify's document loader. The HTML parsing regex at packages/fedify/src/runtime/docloader.ts:259 contains nested quantifiers that cause catastrophic backtracking when processing maliciously crafted HTML responses. This issue has been patched in versions 1.6.13, 1.7.14, 1.8.15, and 1.9.2."},{"lang":"es","value":"Fedify es una biblioteca de TypeScript para construir aplicaciones de servidor federadas impulsadas por ActivityPub. Versiones anteriores a las versiones 1.6.13, 1.7.14, 1.8.15 y 1.9.2, existe una vulnerabilidad de denegación de servicio por expresión regular (ReDoS) en el cargador de documentos de Fedify. La expresión regular de análisis HTML en packages/fedify/src/runtime/docloader.ts:259 contiene cuantificadores anidados que causan retroceso catastrófico al procesar respuestas HTML maliciosamente elaboradas. Este problema ha sido parcheado en las versiones 1.6.13, 1.7.14, 1.8.15 y 1.9.2."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"fedify-dev","product":"fedify","versions":[{"version":"< 1.6.13","status":"affected"},{"version":">= 1.7.0, < 1.7.14","status":"affected"},{"version":">= 1.8.0, < 1.8.15","status":"affected"},{"version":">= 1.9.0, < 1.9.2","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2025-12-22T21:54:29.525857Z","id":"CVE-2025-68475","options":[{"exploitation":"poc"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-1333"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:fedify:fedify:*:*:*:*:*:*:*:*","versionEndExcluding":"1.6.13","matchCriteriaId":"8F097114-F157-4FE4-9CB8-2BAA384C5B30"},{"vulnerable":true,"criteria":"cpe:2.3:a:fedify:fedify:*:*:*:*:*:*:*:*","versionStartIncluding":"1.7.0","versionEndExcluding":"1.7.14","matchCriteriaId":"A9267FB8-A2C3-4269-A895-703ACA0C7078"},{"vulnerable":true,"criteria":"cpe:2.3:a:fedify:fedify:*:*:*:*:*:*:*:*","versionStartIncluding":"1.8.1","versionEndExcluding":"1.8.15","matchCriteriaId":"D9EE0DA7-B892-4C34-B4F6-9B413A1A896F"},{"vulnerable":true,"criteria":"cpe:2.3:a:fedify:fedify:*:*:*:*:*:*:*:*","versionStartIncluding":"1.9.0","versionEndExcluding":"1.9.2","matchCriteriaId":"CEFCAFFE-AFCB-468E-8F32-63B8205A39DA"}]}]}],"references":[{"url":"https://github.com/fedify-dev/fedify/commit/2bdcb24d7d6d5886e0214ed504b63a6dc5488779","source":"security-advisories@github.com","tags":["Patch"]},{"url":"https://github.com/fedify-dev/fedify/commit/bf2f0783634efed2663d1b187dc55461ee1f987a","source":"security-advisories@github.com","tags":["Patch"]},{"url":"https://github.com/fedify-dev/fedify/releases/tag/1.6.13","source":"security-advisories@github.com","tags":["Product","Release Notes"]},{"url":"https://github.com/fedify-dev/fedify/releases/tag/1.7.14","source":"security-advisories@github.com","tags":["Product","Release Notes"]},{"url":"https://github.com/fedify-dev/fedify/releases/tag/1.8.15","source":"security-advisories@github.com","tags":["Product","Release Notes"]},{"url":"https://github.com/fedify-dev/fedify/releases/tag/1.9.2","source":"security-advisories@github.com","tags":["Product","Release Notes"]},{"url":"https://github.com/fedify-dev/fedify/security/advisories/GHSA-rchf-xwx2-hm93","source":"security-advisories@github.com","tags":["Exploit","Mitigation","Vendor Advisory"]}]}