CVE-2013-0281: Clusterlabs Pacemaker

Medium severity, CVSS 4.3. EPSS: 2.6% chance of exploitation in the next 30 days.

Pacemaker 1.1.10, when remote Cluster Information Base (CIB) configuration or resource management is enabled, does not limit the duration of connections to the blocking sockets, which allows remote attackers to cause a denial of service (connection blocking).

Affected products

• Clusterlabs Pacemaker: version 1.1.10 only
• Red Hat Enterprise Linux: version 6.0 only

Published 2013-11-23. Last modified 2026-06-16.