CVE-2025-68468

MEDIUM

6.5

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.

CVE Details

CVSS v3.1 Score6.5

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published1/12/2026

Last Modified1/16/2026

Sourcenvd

Honeypot Sightings0

Affected Products

avahi:avahi

Weaknesses (CWE)

CWE-617

References

https://github.com/avahi/avahi/commit/f66be13d7f31a3ef806d226bf8b67240179d309a(security-advisories@github.com)

https://github.com/avahi/avahi/issues/683(security-advisories@github.com)

https://github.com/avahi/avahi/security/advisories/GHSA-cp79-r4x9-vf52(security-advisories@github.com)

IOC Correlations

No correlations recorded

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