Provide references for CVE-2019-19387.
Where can I find more information about CVE-2019-19387?
References are available at: https://gist.github.com/xax007/28e7326acfae677be0b351216888e522, https://github.com/fusionpbx/fusionpbx/commit/44edbfe7a7e256d1b80448026617365a40c92c61.