Skip to content
CVE PROGRAM SOURCE RECORD4.4 Medium

CVE-2026-33601

Insufficient validation of zonemd record

Description

If you use the zoneToCache function with a malicious authoritative server, an attacker can send a zone that result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

PowerDNS Recursor

Default version status: unaffected

  • 5.4.0 to < 5.4.1affected
  • 5.3.0 to < 5.3.6affected
  • 5.2.0 to < 5.2.9affected

References