CVE-2005-2316: Dnrd

Medium severity, CVSS 5.0. EPSS: 1.6% chance of exploitation in the next 30 days.

Domain Name Relay Daemon (DNRD) before 2.19.1 allows remote attackers to cause a denial of service (infinite recursion) via a DNS packet that uses message compression in the QNAME and two pointers that point to each other (circular buffer).

Affected products

• Dnrd Dnrd: version 2.0 only; version 2.1 only; version 2.2 only; version 2.3 only; version 2.4 only; version 2.5 only; …

Published 2005-12-31. Last modified 2026-06-16.