CVE-2026-33593: Powerdns Dnsdist

High severity, CVSS 7.5. EPSS: 0.8% chance of exploitation in the next 30 days.

A client can trigger a divide by zero error leading to crash by sending a crafted DNSCrypt query.

Affected products

• Powerdns Dnsdist: from 1.9.0, before 1.9.13 (fixed in 1.9.13); from 2.0.0, before 2.0.4 (fixed in 2.0.4)

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