VULNERABILITY INTELLIGENCE

CVE-2025-68468

CVSS score6.5 MEDIUM

EPSS probability0.38%

CISA KEVNot currently listed

Published2026-01-12

Last modified2026-06-17

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.