{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-68468", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2025-12-18T13:48:59.555Z", "datePublished": "2026-01-12T17:38:10.492Z", "dateUpdated": "2026-01-12T18:41:50.855Z"}, "containers": {"cna": {"title": "Avahi has a reachable assertion in lookup_multicast_callback", "problemTypes": [{"descriptions": [{"cweId": "CWE-617", "lang": "en", "description": "CWE-617: Reachable Assertion", "type": "CWE"}]}], "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"}}], "references": [{"name": "https://github.com/avahi/avahi/security/advisories/GHSA-cp79-r4x9-vf52", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/avahi/avahi/security/advisories/GHSA-cp79-r4x9-vf52"}, {"name": "https://github.com/avahi/avahi/issues/683", "tags": ["x_refsource_MISC"], "url": "https://github.com/avahi/avahi/issues/683"}, {"name": "https://github.com/avahi/avahi/commit/f66be13d7f31a3ef806d226bf8b67240179d309a", "tags": ["x_refsource_MISC"], "url": "https://github.com/avahi/avahi/commit/f66be13d7f31a3ef806d226bf8b67240179d309a"}], "affected": [{"vendor": "avahi", "product": "avahi", "versions": [{"version": "<= 0.9-rc2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-01-12T17:38:10.492Z"}, "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."}], "source": {"advisory": "GHSA-cp79-r4x9-vf52", "discovery": "UNKNOWN"}}, "adp": [{"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"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-12T18:41:50.855Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-68468", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-01-12T18:41:41.101488Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-12T18:41:47.044Z"}}], "cna": {"title": "Avahi has a reachable assertion in lookup_multicast_callback", "source": {"advisory": "GHSA-cp79-r4x9-vf52", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}], "affected": [{"vendor": "avahi", "product": "avahi", "versions": [{"status": "affected", "version": "<= 0.9-rc2"}]}], "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"]}], "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-617", "description": "CWE-617: Reachable Assertion"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-01-12T17:38:10.492Z"}}}, "cveMetadata": {"cveId": "CVE-2025-68468", "state": "PUBLISHED", "dateUpdated": "2026-01-12T18:41:50.855Z", "dateReserved": "2025-12-18T13:48:59.555Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-01-12T17:38:10.492Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:avahi:avahi:*:*:*:*:*:*:*:*", "matchCriteriaId": "6481267F-934F-4A0C-9B25-59738E798458", "versionEndExcluding": "0.9", "vulnerable": true}, {"criteria": "cpe:2.3:a:avahi:avahi:0.9:rc1:*:*:*:*:*:*", "matchCriteriaId": "76971590-AEED-4CB1-B7B7-45EA8FD11524", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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."}], "id": "CVE-2025-68468", "lastModified": "2026-01-16T16:52:04.260", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-01-12T18:15:48.173", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/avahi/avahi/commit/f66be13d7f31a3ef806d226bf8b67240179d309a"}, {"source": "security-advisories@github.com", "tags": ["Issue Tracking", "Patch"], "url": "https://github.com/avahi/avahi/issues/683"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/avahi/avahi/security/advisories/GHSA-cp79-r4x9-vf52"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-617"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{"bugzilla": {"description": "avahi: Avahi: Denial of Service via crafted mDNS/DNS-SD announcements", "id": "2428714", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2428714"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-617", "details": ["A flaw was found in Avahi. A remote attacker can cause a Denial of Service (DoS) by sending specially crafted unsolicited announcements containing CNAME resource records. These records, when pointing to other resource records with short Time-To-Live (TTL) values, can lead to the `avahi-daemon` crashing once they expire. This vulnerability impacts the availability of services relying on Avahi's service discovery."], "name": "CVE-2025-68468", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "avahi", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Fix deferred", "package_name": "avahi", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "avahi", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "avahi", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "avahi", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "rhcos", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-01-12T17:38:10Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-68468\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-68468\nhttps://github.com/avahi/avahi/commit/f66be13d7f31a3ef806d226bf8b67240179d309a\nhttps://github.com/avahi/avahi/issues/683\nhttps://github.com/avahi/avahi/security/advisories/GHSA-cp79-r4x9-vf52"], "threat_severity": "Moderate"}

{"created": "2026-01-13T09:27:34.189992+00:00", "updated": "2026-01-13T09:27:34.190026+00:00", "vendors": ["avahi", "avahi$PRODUCT$avahi"]}