CVE-2025-68468

Medium

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.

SeverityMedium
CVSS6.5
Exploit probability—
ProductAvahi
PublishedJan 12, 2026
First seenJan 12, 2026
Weakness typeCWE-617CWE-617

How to fix

Update
  • avahi avahi0.9 or later

Affected products

ProductAffected versionsFixed in
avahi avahiv < 0.9, 0.90.9

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