Unspecified vulnerability in the Streams, AQ & Replication Mgmt component in Oracle Database Server 10.1.0.5 and 10.2.0.3, and Oracle Enterprise Manager Grid Control 10.1.0.6, allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors.
http://www.us-cert.gov/cas/techalerts/TA11-201A.html
http://www.oracle.com/technetwork/topics/security/cpujuly2011-313328.html