CVE-2026-33259

Description

Having many concurrent transfers of the same RPZ can lead to inconsistent RPZ data, use after free and/or a crash of the recursor. Normally concurrent transfers of the same RPZ zone can only occur with a malfunctioning RPZ provider.

CVSS Vector

References

• https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-03.html