Unspecified vulnerability in the Core RDBMS component in Oracle Database 9.0.1.5, 9.2.0.8, 10.1.0.5, and 10.2.0.2 has unknown impact and remote authenticated attack vectors, aka Vuln# DB09.
http://www.vupen.com/english/advisories/2006/4065
http://www.us-cert.gov/cas/techalerts/TA06-291A.html
http://www.securityfocus.com/bid/20588
http://www.securityfocus.com/archive/1/449711/100/0/threaded
http://www.securityfocus.com/archive/1/449110/100/0/threaded
http://www.red-database-security.com/advisory/oracle_cpu_oct_2006.html
http://www.oracle.com/technetwork/topics/security/cpuoct2006-095368.html
http://www.databasesecurity.com/oracle/OracleOct2006-CPU-Analysis.pdf