IBM DB2 9.7 before FP2, when AUTO_REVAL is IMMEDIATE, allows remote authenticated users to cause a denial of service (loss of privileges) to a view owner by defining a dependent view.
http://www-01.ibm.com/support/docview.wss?uid=swg1IC67008
http://www-01.ibm.com/support/docview.wss?uid=swg21432298
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14472