Provide references for CVE-2011-4280.
Where can I find more information about CVE-2011-4280?
References are available at: http://openwall.com/lists/oss-security/2011/11/14/1, http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=bd654f0ced8af925c27b7c94321f0c299b50b38e, http://moodle.org/mod/forum/discuss.php?d=170005.