Provide references for CVE-2011-4309.
Where can I find more information about CVE-2011-4309?
References are available at: http://moodle.org/mod/forum/discuss.php?d=188323, http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=5eb1cec34f013fdcb559b66bc401f2845ce0bbb7, https://bugzilla.redhat.com/show_bug.cgi?id=747444.