Provide references for CVE-2015-4642.
Where can I find more information about CVE-2015-4642?
References are available at: http://www.securitytracker.com/id/1032709, http://www.securityfocus.com/bid/75290, http://openwall.com/lists/oss-security/2015/06/18/6, http://php.net/ChangeLog-5.php, https://bugs.php.net/bug.php?id=69646, http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=d2ac264ffea5ca2e85640b6736e0c7cd4ee9a4a9, https://security.gentoo.org/glsa/201606-10.