CVE-2026-33600 MEDIUM

CVE-2026-33600: Null pointer dereference in RPZ transfer

Vendor Powerdns
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Published April 22, 2026
Last update April 22, 2026
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CVSS base score

4.4/10
Attack vector Network
Attack complexity High
Privileges required High
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

An RPZ sent by a malicious authoritative server can result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service.

Key dates

02Disclosure timeline

April 22, 2026 CVE published
April 22, 2026 Record updated