Unspecified vulnerability in the PL/SQL component in Oracle Database Server 9i up to 10.1.0.4 has unknown impact and attack vectors, aka Oracle Vuln# DB01.
http://www.us-cert.gov/cas/techalerts/TA05-292A.html
http://www.securityfocus.com/bid/15134
http://www.oracle.com/technetwork/topics/security/cpuoct2005-090497.html