Insufficient state and capability checks resulted in some details of hidden courses (such as course name, description and teachers) being available to users who did not have permission to access them. Versions affected: 5.0, 4.5 to 4.5.4, 4.4 to 4.4.8, 4.1 to 4.1.18 and earlier unsupported versions Versions fixed: 5.0.1, 4.5.5, 4.4.9 and 4.1.19 https://moodle.org/mod/forum/discuss.php?d=468504 http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-84518