CVE-2013-0247: Canonical Ubuntu Linux

Medium severity, CVSS 5.0. EPSS: 3.2% chance of exploitation in the next 30 days.

OpenStack Keystone Essex 2012.1.3 and earlier, Folsom 2012.2.3 and earlier, and Grizzly grizzly-2 and earlier allows remote attackers to cause a denial of service (disk consumption) via many invalid token requests that trigger excessive generation of log entries.

Affected products

• Canonical Ubuntu Linux: version 12.04 only; version 12.10 only
• Openstack Keystone: from 2012.1, up to and including 2012.1.3; from 2012.2, up to and including 2012.2.3; from 2013.1, up to and including 2013.1.2

Published 2013-02-24. Last modified 2026-06-16.