CVE-2026-33611

Medium

Description

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.

SeverityMedium
CVSS6.5
Exploit probability—
ProductPowerdns Authoritative
PublishedApr 22, 2026
First seenApr 22, 2026

How to fix

Update
  • powerdns authoritative4.9.14, 5.0.4 or later

Affected products

ProductAffected versionsFixed in
powerdns authoritative4.9.0 ≤ v < 4.9.14, 5.0.0 ≤ v < 5.0.44.9.14, 5.0.4

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