Provide references for CVE-2015-6833.
Where can I find more information about CVE-2015-6833?
References are available at: http://www.debian.org/security/2015/dsa-3344, https://bugs.php.net/bug.php?id=70019, http://www.openwall.com/lists/oss-security/2015/08/19/3, http://www.php.net/ChangeLog-5.php, https://security.gentoo.org/glsa/201606-10.