Provide references for CVE-2011-4591.
Where can I find more information about CVE-2011-4591?
References are available at: https://bugzilla.redhat.com/show_bug.cgi?id=761248, http://moodle.org/mod/forum/discuss.php?d=191760, http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=187672608ec96659e07f2461b3b83634debd16cb.