← Back to home
wid-sec-w-2026-0975  ·  Published 2026-04-06  ·  View on BSI CERT-Bund ↗

avahi: Vulnerability allows Denial of Service

CVSS 5.5 MEDIUM

Risk 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.

CVEs (1)

Affected Vendors

Open Source

Affected Products (2)

Open Source · avahi <0.9-rc4
Open Source · avahi 0.9-rc4

Get alerted to advisories like this

OTWarden monitors CISA, BSI, Siemens, Rockwell and more — and emails you within 2 hours when your vendors are affected.

Start free trial Learn more