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CVE-2026-33601

4.9 medium SSVC exploitation: none Analyzed
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 4.9 · powerdnsNVD modified 2026-10-26 00:10

Affected (CPE criteria) 2

  • cpe:2.3:a:powerdns:recursor:*:*:*:*:*:*:*:*
  • cpe:2.3:a:powerdns:recursor:5.4.0:*:*:*:*:*:*:*

References 1