Resolved Bugs
1164073 – moodle: security issues fixed in versions 2.7.3, 2.6.6 and 2.5.9 [epel-6]
1164072 – moodle: security issues fixed in versions 2.7.3, 2.6.6 and 2.5.9 [fedora-all]<br
Fix for security issues.
https://moodle.org/mod/forum/discuss.php?d=274730