CVE-2025-68471

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 2 unsolicited announcements with CNAME resource records 2 seconds apart.

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

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.

CVE-2025-68471 · Avahi · Dark Radar