Bug 2428717 (CVE-2025-68471) - CVE-2025-68471 avahi: Avahi: Denial of Service via unsolicited CNAME announcements
Summary: CVE-2025-68471 avahi: Avahi: Denial of Service via unsolicited CNAME announce...
Keywords:
Status: NEW
Alias: CVE-2025-68471
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-01-12 18:03 UTC by OSIDB Bzimport
Modified: 2026-01-12 20:03 UTC (History)
0 users

Fixed In Version:
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Description OSIDB Bzimport 2026-01-12 18:03:24 UTC 
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.
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