Provide references for CVE-2011-4968.
Where can I find more information about CVE-2011-4968?
References are available at: https://security-tracker.debian.org/tracker/CVE-2011-4968, https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-4968, https://bugzilla.suse.com/show_bug.cgi?id=CVE-2011-4968, https://access.redhat.com/security/cve/cve-2011-4968, http://www.openwall.com/lists/oss-security/2013/01/03/8, http://www.securityfocus.com/bid/57139, https://exchange.xforce.ibmcloud.com/vulnerabilities/80952.