CVE-2026-34933 — Avahi: Reachable assertion in `transport_flags_from_domain()` via conflicting publish flags crashes avahi-daemon

CVE-2026-34933

Avahi: Reachable assertion in `transport_flags_from_domain()` via conflicting publish flags crashes avahi-daemon PUBLISHED

Description (CNA)

Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. Prior to version 0.9-rc4, any unprivileged local user can crash avahi-daemon by sending a single D-Bus method call with conflicting publish flags. This issue has been patched in version 0.9-rc4.

Affected (CNA)

Vendor / product	Versions
avahi / avahi	affected < 0.9-rc4

CWE

CWE-617

References

https://github.com/avahi/avahi/security/advisories/GHSA-w65r-6gxh-vhvc
https://github.com/avahi/avahi/pull/891
https://github.com/avahi/avahi/commit/625ca0fac19229f6dfa3a6c6b698ae657187e50c

ADP enrichment

CISA-ADP

No English description supplied.

https://github.com/avahi/avahi/security/advisories/GHSA-w65r-6gxh-vhvc

CVE

No English description supplied.

http://www.openwall.com/lists/oss-security/2026/04/11/9