Provide references for CVE-2020-1893.
Where can I find more information about CVE-2020-1893?
References are available at: https://hhvm.com/blog/2020/02/20/security-update.html, https://github.com/facebook/hhvm/commit/bd586671a3c22eb2f07e55f11b3ce64e1f7961e7.