Provide references for CVE-2011-4306.
Where can I find more information about CVE-2011-4306?
References are available at: http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=4a2acd8c7e6c869d5fd5aa686e6e0a3f20c97f15, http://moodle.org/mod/forum/discuss.php?d=188319, https://bugzilla.redhat.com/show_bug.cgi?id=747444.