Provide references for CVE-2011-4307.
Where can I find more information about CVE-2011-4307?
References are available at: http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=41017112cff7f5bd7969c72d321320f3090e7c68, http://moodle.org/mod/forum/discuss.php?d=188321, https://bugzilla.redhat.com/show_bug.cgi?id=747444.