Provide references for CVE-2013-6473.
Where can I find more information about CVE-2013-6473?
References are available at: http://www.ubuntu.com/usn/USN-2143-1, http://www.securityfocus.com/bid/66601, http://bzr.linuxfoundation.org/loggerhead/openprinting/cups-filters/revision/7175, https://bugzilla.redhat.com/show_bug.cgi?id=1027547, https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=741333.