CVE-2005-2301: Powerdns

Medium severity, CVSS 5.0. EPSS: 3.3% chance of exploitation in the next 30 days.

PowerDNS before 2.9.18, when running with an LDAP backend, does not properly escape LDAP queries, which allows remote attackers to cause a denial of service (failure to answer ldap questions) and possibly conduct an LDAP injection attack.

Affected products

• Powerdns Powerdns: version 2.9.0 only; version 2.9.1 only; version 2.9.2 only; version 2.9.3a only; version 2.9.4 only; version 2.9.5 only; …

Published 2005-07-19. Last modified 2026-06-16.