CVE-2025-68471 MEDIUM

CVE-2025-68471: Avahi has a reachable assertion in lookup_start

Vendor Avahi
Product avahi
Weakness CWE-617
Published January 12, 2026
Last update January 12, 2026
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 12, 2026 CVE published
January 12, 2026 Record updated