{"id":"CVE-2025-68468","state":"PUBLISHED","title":"Avahi has a reachable assertion in lookup_multicast_callback","description":"Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In 0.9-rc2 and earlier, avahi-daemon can be crashed by sending unsolicited announcements containing CNAME resource records pointing it to resource records with short TTLs. As soon as they expire avahi-daemon crashes.","publishedAt":"2026-01-12T17:38:10.492Z","updatedAt":"2026-01-12T18:41:50.855Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["avahi avahi"],"affected":[{"vendor":"avahi","product":"avahi","versions":[{"version":"<= 0.9-rc2","status":"affected"}]}],"references":["https://github.com/avahi/avahi/security/advisories/GHSA-cp79-r4x9-vf52","https://github.com/avahi/avahi/issues/683","https://github.com/avahi/avahi/commit/f66be13d7f31a3ef806d226bf8b67240179d309a"],"weaknesses":["CWE-617"],"ingestedAt":"2026-10-29T20:09:56.034Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/68xxx/CVE-2025-68468.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-68468","state":"PUBLISHED","datePublished":"2026-01-12T17:38:10.492Z","dateUpdated":"2026-01-12T18:41:50.855Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2025-12-18T13:48:59.555Z"},"containers":{"cna":{"title":"Avahi has a reachable assertion in lookup_multicast_callback","descriptions":[{"lang":"en","value":"Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In 0.9-rc2 and earlier, avahi-daemon can be crashed by sending unsolicited announcements containing CNAME resource records pointing it to resource records with short TTLs. As soon as they expire avahi-daemon crashes."}],"affected":[{"vendor":"avahi","product":"avahi","versions":[{"version":"<= 0.9-rc2","status":"affected"}]}],"references":[{"url":"https://github.com/avahi/avahi/security/advisories/GHSA-cp79-r4x9-vf52","name":"https://github.com/avahi/avahi/security/advisories/GHSA-cp79-r4x9-vf52","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/avahi/avahi/issues/683","name":"https://github.com/avahi/avahi/issues/683","tags":["x_refsource_MISC"]},{"url":"https://github.com/avahi/avahi/commit/f66be13d7f31a3ef806d226bf8b67240179d309a","name":"https://github.com/avahi/avahi/commit/f66be13d7f31a3ef806d226bf8b67240179d309a","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-617","lang":"en","description":"CWE-617: Reachable Assertion","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-01-12T17:38:10.492Z"},"source":{"advisory":"GHSA-cp79-r4x9-vf52","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-01-12T18:41:41.101488Z","id":"CVE-2025-68468","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-12T18:41:50.855Z"}}]}}}