Ghostwire

CVE-2026-33601: If you use the zoneToCache function with a malicious authoritative server, an attacker can send a zone that result in a...

MEDIUM CVSS 4.4

Published: April 22, 2026 | Last Modified: April 22, 2026

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.

Ghostwire Analysis — What This Means Practically

Medium CVSS score indicates moderate risk — exploitation requires specific conditions or results in limited impact.

This analysis is generated by Ghostwire from NVD, CISA KEV, EPSS, and open-source intelligence data. Verify findings through primary sources before acting.

Security Coverage (1 articles)

References

docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-0