Provide references for CVE-2009-4228.
Where can I find more information about CVE-2009-4228?
References are available at: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=559274, http://www.mandriva.com/security/advisories?name=MDVSA-2011:010, http://www.vupen.com/english/advisories/2011/0108, https://bugzilla.redhat.com/show_bug.cgi?id=543905.