CVE-2019-10203: Powerdns Authoritative Server

Medium severity, CVSS 4.3. EPSS: 1.6% chance of exploitation in the next 30 days.

PowerDNS Authoritative daemon , pdns versions 4.0.x before 4.0.9, 4.1.x before 4.1.11, exiting when encountering a serial between 2^31 and 2^32-1 while trying to notify a slave leads to DoS.

Affected products

• Powerdns Authoritative Server: from 4.0.0, before 4.0.9 (fixed in 4.0.9); from 4.1.0, before 4.1.11 (fixed in 4.1.11)

Published 2019-11-22. Last modified 2026-06-17.