CVE-2026-33262: Powerdns Recursor

Medium severity, CVSS 5.9. EPSS: 0.5% chance of exploitation in the next 30 days.

An attacker can send replies that result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service. Cookies are disabled by default.

Affected products

  • Powerdns Recursor: from 5.2.0, before 5.2.9 (fixed in 5.2.9); from 5.3.0, before 5.3.6 (fixed in 5.3.6); version 5.4.0 only

Published 2026-04-22. Last modified 2026-06-17.