medium5.5
CVE-2026-34933
Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite.
Impact
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 products
| Vendor | Product | Affected versions |
|---|---|---|
| Avahi | Avahi | before 0.9 Version 0.9 |
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/avahi/avahi/commit/625ca0fac19229f6dfa3a6c6b698ae657187e50c
- https://github.com/avahi/avahi/pull/891
- https://github.com/avahi/avahi/security/advisories/GHSA-w65r-6gxh-vhvc
- http://www.openwall.com/lists/oss-security/2026/04/11/9
- https://github.com/avahi/avahi/security/advisories/GHSA-w65r-6gxh-vhvc