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