Provide references for CVE-2011-5047.
Where can I find more information about CVE-2011-5047?
References are available at: http://www.securityfocus.com/bid/51169, http://www.osvdb.org/77981, https://exchange.xforce.ibmcloud.com/vulnerabilities/72090, http://blog.pfsense.org/?p=633, http://secunia.com/advisories/46780.