CVE-2025-68468

6.5 mediumEPSS 0.4%

Medium (6.5) in avahi avahi. EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.5 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 32% of CVEs (scores of 2026-10-31)
CWE: CWE-617
Published: 2026-01-12
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

avahi:avahi

References

https://github.com/avahi/avahi/commit/f66be13d7f31a3ef806d226bf8b67240179d309a
https://github.com/avahi/avahi/issues/683
https://github.com/avahi/avahi/security/advisories/GHSA-cp79-r4x9-vf52

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