Unspecified vulnerability in the Oracle Text component in Oracle Database Server 10.1.0.5, 10.2.0.3, 10.2.0.4, and 11.1.0.7 allows remote authenticated users to affect confidentiality, integrity, and availability, related to CTXSYS.DRVDISP.
http://www.oracle.com/technetwork/topics/security/cpuoct2011-330135.html