CVE-2026-34933CWE-617

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

Medium · published April 3, 2026

CVSS v3.1
5.5
EPSS
0%
Percentile
5.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00161 · 5.0th percentile
Weakness
CWE-617 · Reachable Assertion
Published
2026-04-03T22:43Z
EPSS history
Timeline
  • 03 APR 22:43Z
    Avahi: Reachable assertion in `transport_flags_from_domain()` via conflicting publish flags crashes avahi-daemon
    cvelistv5