CVE-2026-34933

Medium

Description

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.

SeverityMedium
CVSS5.5
Exploit probability—
ProductAvahi
PublishedApr 3, 2026
First seenApr 3, 2026
Weakness typeCWE-617CWE-617

How to fix

Update
  • avahi avahi0.9 or later

Affected products

ProductAffected versionsFixed in
avahi avahiv < 0.9, 0.90.9

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