CVE-2013-2096
OpenStack Compute (Nova) does not verify the virtual size of a QCOW2 image
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.
Exploit likelihood
What each source reports
NVD Score used
2.1
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.
- Record
CVE-2013-2096- CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2013-2096- Updated
- 2026-11-02
EUVDEUVD-2013-2069 No score
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.
- Record
EUVD-2013-2069- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-m674-hmx2-ffhq
6.9
OpenStack Compute (Nova) does not verify the virtual size of a QCOW2 image
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.
- Record
GHSA-m674-hmx2-ffhq- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N - Weakness
- CWE-770
- Updated
- 2026-11-02
OSVGHSA-m674-hmx2-ffhq
6.9
OpenStack Compute (Nova) does not verify the virtual size of a QCOW2 image
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.
- Record
GHSA-m674-hmx2-ffhq- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N - Weakness
- CWE-770
- Updated
- 2026-11-02
OSVPYSEC-2026-876
6.9
OpenStack Compute (Nova) does not verify the virtual size of a QCOW2 image
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.
- Record
PYSEC-2026-876- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N - Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2013-2096- Updated
- 2026-11-02
OSVDEBIAN-CVE-2013-2096 No score
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.
- Record
DEBIAN-CVE-2013-2096- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2013-2096 is a low vulnerability (CVSS 2.1) in Openstack Folsom, published July 9, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.39%, the 32nd percentile. Fixed in nova 12.0.0a0.
References
review.openstack.org
ubuntu.com/usn/USN-1831-1
lists.openstack.org/pipermail/openstack-announce/2013-May/000102.html
securityfocus.com/bid/59924
nvd.nist.gov/vuln/detail/CVE-2013-2096
github.com/openstack/nova/commit/0caeb8eaf20abcdc77828f5c6b79fc104619e231