Provide references for CVE-2011-4920.
Where can I find more information about CVE-2011-4920?
References are available at: http://osvdb.org/78049, http://secunia.com/advisories/46706, http://osvdb.org/78047, https://exchange.xforce.ibmcloud.com/vulnerabilities/72010, http://osvdb.org/78048, http://www.securityfocus.com/bid/51253, https://exchange.xforce.ibmcloud.com/vulnerabilities/72104, http://www.openwall.com/lists/oss-security/2012/01/04/3.