Vulnerability in Avahi

CVE-2025-68468

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 pointin…

EPSS: 0.003 (24.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

  • Avahi — versions 0.9, <= 0.9-rc2

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-68468?
CVE-2025-68468 is a medium-severity vulnerability in Avahi, classified under Reachable Assertion. CVSS score: 6.5/10. Published 2026-01-12.
How severe is CVE-2025-68468?
Medium severity. CVSS v3 base score is 6.5 out of 10.