Openstack · Openstack Neutron · CVE-2014-7821
**Name of the Vulnerable Software and Affected Versions**
OpenStack Neutron versions prior to 2014.1.4
OpenStack Neutron versions 2014.2.x prior to 2014.2.1
**Description**
The issue allows remote authenticated users to cause a denial of service, resulting in a crash. This can be achieved by providing a crafted `dns nameservers` value in the DNS configuration.
**Recommendations**
For OpenStack Neutron versions prior to 2014.1.4, update to version 2014.1.4 or later.
For OpenStack Neutron versions 2014.2.x prior to 2014.2.1, update to version 2014.2.1 or later.