NVD Vulnerability Detail
Search Exploit, PoC
CVE-2026-34933
Summary

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.

Publication Date April 4, 2026, 8:17 a.m.
Registration Date April 15, 2026, 11:25 a.m.
Last Update April 14, 2026, 2:26 a.m.
CVSS3.1 : MEDIUM
スコア 5.5
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
攻撃元区分(AV) ローカル
攻撃条件の複雑さ(AC)
攻撃に必要な特権レベル(PR)
利用者の関与(UI) 不要
影響の想定範囲(S) 変更なし
機密性への影響(C) なし
完全性への影響(I) なし
可用性への影響(A)
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:a:avahi:avahi:*:*:*:*:*:*:*:* 0.9
cpe:2.3:a:avahi:avahi:0.9:rc1:*:*:*:*:*:*
cpe:2.3:a:avahi:avahi:0.9:rc2:*:*:*:*:*:*
cpe:2.3:a:avahi:avahi:0.9:rc3:*:*:*:*:*:*
Related information, measures and tools
Common Vulnerabilities List