EulerOS 2.0 SP11 : avahi (EulerOS-SA-2026-2197)

According to the versions of the avahi packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In versions 0.9rc2 and below,...

avahi: Avahi: Denial of Service via recursive CNAME record in mDNS response

A flaw was found in Avahi, a system that enables devices to discover services on a local network. A remote attacker can exploit this vulnerability by sending a specially crafted mDNS multicast Domain Name System response containing a recursive CNAME Canonical Name record. This triggers an...

SUSE-SU-2026:21127-1 Security update for avahi

This update for avahi fixes the following issues: - CVE-2026-24401: Fix unsolicited mDNS response containing a recursive CNAME record. bsc1257235...

CVE-2026-24401

CVE-2026-24401 affects Avahi (avahi-daemon) for versions 0.9rc2 and earlier. The issue is a segmentation fault caused by an unsolicited mDNS response containing a recursive CNAME where the alias and canonical name are the same (e.g., h.local -> h.local), triggering unbounded recursion in looku...