Unrated severityNVD Advisory· Published Jan 12, 2026· Updated Jan 12, 2026
Avahi has a reachable assertion in lookup_multicast_callback
CVE-2025-68468
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.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
3- github.com/avahi/avahi/commit/f66be13d7f31a3ef806d226bf8b67240179d309amitrex_refsource_MISC
- github.com/avahi/avahi/issues/683mitrex_refsource_MISC
- github.com/avahi/avahi/security/advisories/GHSA-cp79-r4x9-vf52mitrex_refsource_CONFIRM
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