Bugs fixed:
Security Fix: 
        A stored routine created by one user and then made accessible to
        a different user using
        GRANT EXECUTE
        could be executed by that user with the privileges of the
        routine's definer.
       (Bug#18630, CVE-2006-4227)
Security Fix: On Linux, and possibly other platforms using case-sensitive file systems, it was possible for a user granted rights on a database to create or access a database whose name differed only from that of the first by the case of one or more letters. (Bug#17647, CVE-2006-4226)

