In Moodle before 3.9.1, 3.8.4, 3.7.7 and 3.5.13, yui_combo needed to limit the amount of files it can load to help mitigate the risk of denial of service.
{ "cpes": [ "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*", "cpe:2.3:a:moodle:moodle:3.9.0:-:*:*:*:*:*:*" ], "severity": "High" }