CVE-2003-1563: Sun Cluster

Medium severity, CVSS 4.0. EPSS: 0.3% chance of exploitation in the next 30 days.

Sun Cluster 2.2 through 3.2 for Oracle Parallel Server / Real Application Clusters (OPS/RAC) allows local users to cause a denial of service (cluster node panic or abort) by launching a daemon listening on a TCP port that would otherwise be used by the Distributed Lock Manager (DLM), possibly involving this daemon responding in a manner that spoofs a cluster reconfiguration.

Affected products

• Sun Cluster: version 2.2 only; version 3.0 only; version 3.1 only; version 3.2 only

Published 2003-12-31. Last modified 2026-06-16.