Provide references for CVE-2016-6870.
Where can I find more information about CVE-2016-6870?
References are available at: http://www.openwall.com/lists/oss-security/2016/08/11/1, https://github.com/facebook/hhvm/commit/365abe807cab2d60dc9ec307292a06181f77a9c2, http://www.openwall.com/lists/oss-security/2016/08/19/1.