Provide references for CVE-2006-4521.
Where can I find more information about CVE-2006-4521?
References are available at: http://secunia.com/advisories/22660, http://www.vupen.com/english/advisories/2006/4293, http://www.securityfocus.com/bid/20842, https://exchange.xforce.ibmcloud.com/vulnerabilities/29963, http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=437, http://securitytracker.com/id?1017140.