CVEvulnerability

CVE-2026-33601

4.9 MEDIUM Published 2026-04-22 Modified 2026-10-26 Official page ↗
Status
Analyzed
Published
2026-04-22
Last modified
2026-10-26
Assigner
[email protected]
CVSS 3.1 ([email protected])
4.4 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
CVSS 3.1 ([email protected])
4.9 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-476

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 configurations

• powerdns recursor (>= 5.2.0 < 5.2.9) • powerdns recursor (>= 5.3.0 < 5.3.6) • powerdns recursor 5.4.0

Related

Weakness · CWE (1)

  • CWE-476 NULL Pointer Dereference weakness

References