Provide references for CVE-2019-3809.
Where can I find more information about CVE-2019-3809?
References are available at: https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3809, https://moodle.org/mod/forum/discuss.php?d=381229#p1536766, http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-64222.