CVE-2026-42396: Powerdns Authoritative

Medium severity, CVSS 6.5. EPSS: 0.8% chance of exploitation in the next 30 days.

Insufficient Validation of Member Zone Data May Cause Catalog Zone Transfer to Fail

Affected products

• Powerdns Authoritative: from 4.7.0, before 4.9.15 (fixed in 4.9.15); from 5.0.0, before 5.0.5 (fixed in 5.0.5)

Published 2026-05-21. Last modified 2026-07-23.