Provide references for CVE-2009-4421.
Where can I find more information about CVE-2009-4421?
References are available at: http://www.securityfocus.com/bid/37434, http://www.securityfocus.com/archive/1/508546/100/0/threaded, http://archives.neohapsis.com/archives/fulldisclosure/2009-12/0398.html, https://exchange.xforce.ibmcloud.com/vulnerabilities/54970.