4.9

CVE-2026-33601

Insufficient validation of zonemd record

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Powerdns ≫ Recursor Version >= 5.2.0 < 5.2.9
Powerdns ≫ Recursor Version >= 5.3.0 < 5.3.6
Powerdns ≫ Recursor Version 5.4.0
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.51% 0.395
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 4.9 1.2 3.6
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
security@open-xchange.com 4.4 0.7 3.6
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-03.html
Vendor Advisory
Broken Link