Provide references for CVE-2006-4821.
Where can I find more information about CVE-2006-4821?
References are available at: http://www.vupen.com/english/advisories/2006/3603, https://exchange.xforce.ibmcloud.com/vulnerabilities/28931, http://www.securityfocus.com/bid/20015, http://drupal.org/node/83954, http://secunia.com/advisories/21907.