Provide references for CVE-2011-4028.
Where can I find more information about CVE-2011-4028?
References are available at: http://cgit.freedesktop.org/xorg/xserver/commit/?id=6ba44b91e37622ef8c146d8f2ac92d708a18ed34, http://lists.freedesktop.org/archives/xorg/2011-October/053680.html, http://secunia.com/advisories/46460, http://rhn.redhat.com/errata/RHSA-2012-0939.html, http://secunia.com/advisories/49579.