A flaw in MySQL versions prior to 5.1.51  was reported  that could allow an authenticated user to kill connections to MySQL, where the server could crash after materializing a derived table that required a temporary table for grouping.
This issue has been assigned the name CVE-2010-3834:
Created attachment 453410 [details]
This issue did NOT affect the versions of mysql as shipped with Fedora 12 and Fedora 13.
Not vulnerable. This issue did not affect the versions of mysql as shipped with Red Hat Enterprise Linux 3, 4, 5, or 6.