CVE-2026-33611: Powerdns Authoritative

Medium severity, CVSS 4.9. EPSS: 0.8% chance of exploitation in the next 30 days.

An operator allowed to use the REST API can cause the Authoritative server to produce invalid HTTPS or SVCB record data, which can in turn cause LMDB database corruption, if using the LMDB backend.

Affected products

• Powerdns Authoritative: from 4.9.0, before 4.9.14 (fixed in 4.9.14); from 5.0.0, before 5.0.4 (fixed in 5.0.4)

Published 2026-04-22. Last modified 2026-06-17.