๐Ÿ” CVE Alert

CVE-2026-34933

MEDIUM 5.5

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

CVSS Score
5.5
EPSS Score
0.0%
EPSS Percentile
2th

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.

CWE CWE-617
Vendor avahi
Product avahi
Published Apr 3, 2026
Last Updated Apr 11, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Affected Versions

avahi / avahi
< 0.9-rc4

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/avahi/avahi/security/advisories/GHSA-w65r-6gxh-vhvc github.com: https://github.com/avahi/avahi/pull/891 github.com: https://github.com/avahi/avahi/commit/625ca0fac19229f6dfa3a6c6b698ae657187e50c openwall.com: http://www.openwall.com/lists/oss-security/2026/04/11/9