Openstack · Openstack Swift · CVE-2013-4155
**Name of the Vulnerable Software and Affected Versions**
OpenStack Swift versions prior to 1.9.1 in Folsom, Grizzly, and Havana
**Description**
The issue allows authenticated users to cause a denial of service, leading to "superfluous" tombstone consumption and a slowdown of the Swift cluster. This can be achieved via a DELETE request with a timestamp that is older than expected.
**Recommendations**
For OpenStack Swift versions prior to 1.9.1 in Folsom, Grizzly, and Havana, update to version 1.9.1 or later to resolve the issue.