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Permalink CVE-2026-34933
5.5 MEDIUM
  • CVSS version: 3.1
  • Attack vector (AV): LOCAL
  • Attack complexity (AC): LOW
  • Privileges required (PR): LOW
  • User interaction (UI): NONE
  • Scope (S): UNCHANGED
  • Confidentiality impact (C): NONE
  • Integrity impact (I): NONE
  • Availability impact (A): HIGH
created 2 weeks ago
Avahi: Reachable assertion in `transport_flags_from_domain()` via conflicting publish flags crashes avahi-daemon

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

avahi
  • ==< 0.9-rc4

Matching in nixpkgs

pkgs.avahi

mDNS/DNS-SD implementation

  • nixos-unstable 0.8
    • nixpkgs-unstable 0.8
    • nixos-unstable-small 0.8
  • nixos-25.11 0.8
    • nixos-25.11-small 0.8
    • nixpkgs-25.11-darwin 0.8

pkgs.avahi-compat

mDNS/DNS-SD implementation

  • nixos-unstable 0.8
    • nixpkgs-unstable 0.8
    • nixos-unstable-small 0.8
  • nixos-25.11 0.8
    • nixos-25.11-small 0.8
    • nixpkgs-25.11-darwin 0.8

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