PYSEC-2026-876
See a problem?- Import Source
- https://github.com/pypa/advisory-database/blob/main/vulns/nova/PYSEC-2026-876.yaml
- JSON Data
- https://api.osv.dev/v1/vulns/PYSEC-2026-876
- Aliases
- Published
- 2026-07-06T08:03:26.645846Z
- Modified
- 2026-07-07T11:45:48.801721305Z
- Severity
-
- 6.9 (Medium) CVSS_V4 - 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 CVSS Calculator
- Summary
- OpenStack Compute (Nova) does not verify the virtual size of a QCOW2 image
- Details
-
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.
- References
-
- https://nvd.nist.gov/vuln/detail/CVE-2013-2096
- https://github.com/openstack/nova/commit/0caeb8eaf20abcdc77828f5c6b79fc104619e231
- https://github.com/openstack/nova/commit/44a8aba1d5da87d54db48079103fdef946666d80
- https://github.com/openstack/nova
- https://review.openstack.org/#/c/28717
- https://review.openstack.org/#/c/28901
- https://review.openstack.org/#/c/29192
- https://web.archive.org/web/20130726040108/http://www.securityfocus.com/bid/59924
- http://lists.openstack.org/pipermail/openstack-announce/2013-May/000102.html
- http://www.ubuntu.com/usn/USN-1831-1
- https://pypi.org/project/nova
- https://github.com/advisories/GHSA-m674-hmx2-ffhq
Affected packages
PyPI / nova
Package
- Name
- nova
- View open source insights on deps.dev
- Purl
- pkg:pypi/nova