Provide references for CVE-2013-6891.
Where can I find more information about CVE-2013-6891?
References are available at: http://advisories.mageia.org/MGASA-2014-0021.html, http://www.cups.org/blog.php?L704, http://www.ubuntu.com/usn/USN-2082-1, http://www.mandriva.com/security/advisories?name=MDVSA-2014:015, http://secunia.com/advisories/56531, http://www.cups.org/str.php?L4319.