CVE-2026-33601 | THREATINT

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.

PUBLISHED Reserved 2026-03-23 | Published 2026-04-22 | Updated 2026-04-22 | Assigner OX

MEDIUM: 4.4CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H

Problem types

NULL Pointer Dereference

Product status

Default status

unaffected

5.4.0 (semver) before 5.4.1

affected

5.3.0 (semver) before 5.3.6

affected

5.2.0 (semver) before 5.2.9

affected

Credits

ylwango613 finder

References

docs.powerdns.com/...powerdns-advisory-powerdns-2026-03.html

cve.org (CVE-2026-33601)

nvd.nist.gov (CVE-2026-33601)

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