PT-2026-34318 · Powerdns · Recursor

Ylwango613 · Published 2026-04-22 · Updated 2026-04-22 · CVE-2026-33600

Positive Technologies (AI Summary)

CVSS v3.1

4.4

Medium

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

Name of the Vulnerable Software and Affected Versions The product name cannot be determined (affected versions not specified)

Description A missing consistency check allows a malicious authoritative server to send a specially crafted RPZ (Response Policy Zone), resulting in a null pointer dereference. This condition leads to a denial of service.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2026-33600

Affected Products

Recursor

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-33600 · Security Note
• https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-03.html · Note
• https://twitter.com/infoflowcloud/status/2047013439361425734 · Twitter Post
• https://twitter.com/CVEnew/status/2047012159163634135 · Twitter Post