Provide references for CVE-2016-6874.
Where can I find more information about CVE-2016-6874?
References are available at: http://www.openwall.com/lists/oss-security/2016/08/11/1, http://www.openwall.com/lists/oss-security/2016/08/19/1, https://github.com/facebook/hhvm/commit/05e706d98f748f609b19d8697e490eaab5007d69.