Provide references for CVE-2016-6875.
Where can I find more information about CVE-2016-6875?
References are available at: http://www.openwall.com/lists/oss-security/2016/08/11/1, https://github.com/facebook/hhvm/commit/1888810e77b446a79a7674784d5f139fcfa605e2, http://www.openwall.com/lists/oss-security/2016/08/19/1.