Provide references for CVE-2018-20437.
Where can I find more information about CVE-2018-20437?
References are available at: https://github.com/wuyouzhuguli/FEBS-Shiro/commit/a9706b1b3c96bacece24886429b4423c3a467acd, https://github.com/wuyouzhuguli/FEBS-Shiro/commit/9a753215b0969a5d5b5bfe8c68585339fee96260, https://github.com/wuyouzhuguli/FEBS-Shiro/issues/40.