CVE-2025-68471CWE-617
Avahi has a reachable assertion in lookup_start
Medium · published January 12, 2026
What it is
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 2 unsolicited announcements with CNAME resource records 2 seconds apart.
The record
Technical detail
- CVSS v3.1
- 6.5 · MEDIUM
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- CVSS v4.0
- Not supplied
- EPSS
- 0.00405 · 33.6th percentile
- Weakness
- CWE-617 · Reachable Assertion
- Published
- 2026-01-12T17:39Z
EPSS history
Timeline