CVE-2007-2692
The mysql_change_db function in MySQL 5.0.x before 5.0.40 and 5.1.x before 5.1.18 does not restore THD::db_access privileges when returning from SQL SECURITY INVOKER stored routines, which allows remote authenticated users to gain privileges.
Date published : 2007-05-15
http://www.securityfocus.com/bid/24011
http://www.securityfocus.com/archive/1/473874/100/0/threaded