Unspecified vulnerability in the Data Pump component in Oracle Database 9.2.0.8, 10.1.0.5, 10.2.0.3, and 11.1.0.6 has unknown impact and remote attack vectors related to KUPF$FILE_INT, aka DB11. NOTE: the previous information was obtained from the April 2008 CPU. Oracle has not commented on reliable researcher claims that DB11 is for a buffer overflow in the SYS.KUPF$FILE_INT.GET_FULL_FILENAME procedure.
https://exchange.xforce.ibmcloud.com/vulnerabilities/42036
https://exchange.xforce.ibmcloud.com/vulnerabilities/41858
http://www.vupen.com/english/advisories/2008/1267/references
http://www.vupen.com/english/advisories/2008/1233/references
http://www.securitytracker.com/id?1019855
http://www.securityfocus.com/archive/1/491524/30/390/threaded
http://www.securityfocus.com/archive/1/491024/100/0/threaded
http://www.oracle.com/technetwork/topics/security/cpuapr2008-082075.html