Ubuntu 20.04 LTS / 22.04 LTS / 23.04 : Avahi vulnerability (USN-6129-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS / 23.04 host has packages installed that are affected by a vulnerability as referenced in the USN-6129-1 advisory. It was discovered that Avahi incorrectly handled certain DBus messages. A local attacker could possibly use this issue to cause Avahi to crash...