CVE-2013-2096

Severity: low (CVSS 2.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-07-09 · updated 2026-06-16
Weakness: CWE-399

Description

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.

Affected products

OpenStack Folsom: all versions
OpenStack Grizzly: all versions
OpenStack Havana: all versions

References

http://lists.openstack.org/pipermail/openstack-announce/2013-May/000102.html
http://www.securityfocus.com/bid/59924
http://www.ubuntu.com/usn/USN-1831-1
https://review.openstack.org/#/c/28717/
https://review.openstack.org/#/c/28901/
https://review.openstack.org/#/c/29192/
http://lists.openstack.org/pipermail/openstack-announce/2013-May/000102.html
http://www.securityfocus.com/bid/59924
http://www.ubuntu.com/usn/USN-1831-1
https://review.openstack.org/#/c/28717/
https://review.openstack.org/#/c/28901/
https://review.openstack.org/#/c/29192/

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