Unspecified vulnerability in the Logical Standby component in Oracle Database allows remote authenticated users to affect integrity via unknown vectors.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2009-1991
http://www.us-cert.gov/cas/techalerts/TA10-012A.html
http://www.oracle.com/technetwork/topics/security/cpujan2010-084891.html