Provide references for CVE-2016-7563.
Where can I find more information about CVE-2016-7563?
References are available at: http://www.openwall.com/lists/oss-security/2016/09/28/11, https://bugs.ghostscript.com/show_bug.cgi?id=697136, http://www.openwall.com/lists/oss-security/2016/09/21/5.