Unspecified vulnerability in the Database Vault component in Oracle Database 11.1.0.6 allows remote authenticated users to affect confidentiality, related to DBMS_SYS_SQL.
http://www.us-cert.gov/cas/techalerts/TA09-105A.html
http://www.securitytracker.com/id?1022052
http://www.securityfocus.com/bid/34461
http://www.oracle.com/technetwork/topics/security/cpuapr2009-099563.html