Provide references for CVE-2016-4911.
Where can I find more information about CVE-2016-4911?
References are available at: https://bugs.launchpad.net/keystone/+bug/1577558, http://www.openwall.com/lists/oss-security/2016/05/17/10, http://www.securityfocus.com/bid/90728, https://security.openstack.org/ossa/OSSA-2016-008.html, https://review.openstack.org/#/c/311886/, http://www.openwall.com/lists/oss-security/2016/05/17/11.