Unspecified vulnerability in the Core RDBMS component in Oracle Database Server 11.1.0.7, 11.2.0.2, and 11.2.0.3 allows remote authenticated users to affect availability via unknown vectors.
http://www.securitytracker.com/id?1027260
http://www.securityfocus.com/bid/54496
http://www.oracle.com/technetwork/topics/security/cpujul2012-392727.html
http://www.mandriva.com/security/advisories?name=MDVSA-2013:150
http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00018.html