Provide references for CVE-2009-4996.
Where can I find more information about CVE-2009-4996?
References are available at: http://bugzilla.xfce.org/show_bug.cgi?id=4805, https://bugzilla.redhat.com/show_bug.cgi?id=614608, https://bugzilla.redhat.com/show_bug.cgi?id=587633, https://bugzilla.redhat.com/show_bug.cgi?id=525395.