[Pkg-utopia-maintainers] Bug#1125418: avahi: CVE-2025-68468

[Salvatore Bonaccorso]

Source: avahi
Version: 0.8-10
Severity: important
Tags: security upstream
Forwarded: https://github.com/avahi/avahi/issues/683
X-Debbugs-Cc: carnil at debian.org, Debian Security Team <team at security.debian.org>

Hi,

The following vulnerability was published for avahi.

CVE-2025-68468[0]:
| 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 unsolicited announcements
| containing CNAME resource records pointing it to resource records
| with short TTLs. As soon as they expire avahi-daemon crashes.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2025-68468
    https://www.cve.org/CVERecord?id=CVE-2025-68468
[1] https://github.com/avahi/avahi/issues/683
[2] https://github.com/avahi/avahi/security/advisories/GHSA-cp79-r4x9-vf52
[3] https://github.com/avahi/avahi/commit/f66be13d7f31a3ef806d226bf8b67240179d309a

Regards,
Salvatore