CVE-2005-2315: Dnrd

High severity, CVSS 7.5. EPSS: 3.8% chance of exploitation in the next 30 days.

Buffer overflow in Domain Name Relay Daemon (DNRD) before 2.19.1 allows remote attackers to execute arbitrary code via a large number of large DNS packets with the Z and QR flags cleared.

Affected products

• Dnrd Dnrd: version 1.0 only; version 1.1 only; version 1.2 only; version 1.3 only; version 1.4 only; version 2.0 only; …

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