Provide references for CVE-2019-3570.
Where can I find more information about CVE-2019-3570?
References are available at: https://github.com/facebook/hhvm/commit/cc331e4349e91706a673e2a09f1f2ea5bbb33815, https://hhvm.com/blog/2019/06/10/hhvm-4.9.0.html.