Unspecified vulnerability in the Upgrade/Downgrade component in Oracle Database 9.2.0.8, 10.1.0.5, and 10.2.0.3 has unknown impact and remote attack vectors, aka DB05.
http://www.vupen.com/english/advisories/2008/0180
http://www.vupen.com/english/advisories/2008/0150
http://www.us-cert.gov/cas/techalerts/TA08-017A.html
http://www.securityfocus.com/bid/27229
http://www.oracle.com/technetwork/topics/security/cpujan2008-086860.html
http://securitytracker.com/id?1019218
http://secunia.com/advisories/28556