Provide references for CVE-2015-3646.
Where can I find more information about CVE-2015-3646?
References are available at: http://lists.openstack.org/pipermail/openstack-announce/2015-May/000356.html, http://www.securityfocus.com/bid/74456, https://bugs.launchpad.net/keystone/+bug/1443598, http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html.