Provide references for CVE-2011-4596.
Where can I find more information about CVE-2011-4596?
References are available at: https://github.com/openstack/nova/commit/ad3241929ea00569c74505ed002208ce360c667e, https://bugs.launchpad.net/nova/+bug/894755, https://lists.launchpad.net/openstack/msg06105.html, https://github.com/openstack/nova/commit/76363226bd8533256f7795bba358d7f4b8a6c9e6, https://bugs.launchpad.net/nova/+bug/885167.