Public Date:
963462: CVE-2013-2096 OpenStack Nova: fails to verify image virtual size denial of service

The MITRE CVE dictionary describes this issue as:

OpenStack Compute (Nova) Folsom, Grizzly, and Havana does not verify the virtual size of a QCOW2 image, which allows local users to cause a denial of service (host file system disk consumption) by creating an image with a large virtual size that does not contain a large amount of data.

Find out more about CVE-2013-2096 from the MITRE CVE dictionary dictionary and NIST NVD.


The Red Hat Security Response Team has rated this issue as having moderate security impact. This issue is not currently planned to be addressed in OpenStack 2.1 (Folsom). This issue is planned to be addressed in version OpenStack 3.0 (Grizzly). For additional information, refer to the Issue Severity Classification:

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 4
Base Metrics AV:N/AC:L/Au:S/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication Single
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

External References