Uncontrolled Recursion in Avahi - CVE-2026-24401
Published: January 26, 2026 / Updated: April 9, 2026
Vulnerability identifier: #VU122025
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-24401
CWE-ID: CWE-674
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: avahi.org
Affected software:
Avahi
Avahi
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to uncontrolled recursion in lookup_handle_cname. A remote attacker can cause a denial of service condition on the target system.
How to mitigate CVE-2026-24401
Install update from vendor's website.