CVE-2026-33261

A zone transition from NSEC to NSEC3 might trigger an internal inconsistency and cause a denial of service.

medium 5.9 CVSS 3.1

Published: Apr 22, 2026

Modified: Apr 22, 2026

Description

A zone transition from NSEC to NSEC3 might trigger an internal inconsistency and cause a denial of service.

References

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