CVE-2006-6870: Avahi

Medium severity, CVSS 5.0. EPSS: 2.4% chance of exploitation in the next 30 days.

The consume_labels function in avahi-core/dns.c in Avahi before 0.6.16 allows remote attackers to cause a denial of service (infinite loop) via a crafted compressed DNS response with a label that points to itself.

Affected products

• Avahi Avahi: version 0.6.7 only; version 0.6.8 only; version 0.6.9 only; version 0.6.10 only; version 0.6.11 only; version 0.6.12 only; …

Published 2006-12-31. Last modified 2026-06-16.