OpenStack Neutron before 2013.2.4, 2014.x before 2014.1.2, and Juno before Juno-2 allows remote authenticated users to cause a denial of service (crash or long firewall rule updates) by creating a large number of allowed address pairs.Referenceshttp://secunia.com/advisories/60804http://rhn.redhat.com/errata/RHSA-2014-1120.htmlhttp://www.securityfocus.com/bid/68765http://secunia.com/advisories/60766http://seclists.org/oss-sec/2014/q3/200http://rhn.redhat.com/errata/RHSA-2014-1119.htmlhttps://bugs.launchpad.net/neutron/+bug/1336207http://lists.openstack.org/pipermail/openstack-announce/2014-July/000255.html