CVE-2016-5426: Powerdns Authoritative

High severity, CVSS 7.5. EPSS: 30.6% chance of exploitation in the next 30 days.

PowerDNS (aka pdns) Authoritative Server before 3.4.10 allows remote attackers to cause a denial of service (backend CPU consumption) via a long qname.

Affected products

• Powerdns Authoritative: up to and including 3.4.9

Published 2016-09-21. Last modified 2026-06-17.