Nova: fails to verify image virtual size denial of service
Published Jul 9, 2013
6.9
MEDIUMCVSS 4.0
EPSS 0.39%
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
Remediation
Red Hat statement
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: https://access.redhat.com/security/updates/classification/.
Metrics
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
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.39% (0.00386) | 30.34th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.38% (0.00383) | 29.87th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.06% (0.00062) | 16.48th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.03% (0.01034) | 41.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.03% (0.01034) | 39.91th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.03% (0.01034) | 37.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.03% (0.01034) | 20.32th | v2 (v2022.01.01) |
References (14)
- http://lists.openstack.org/pipermail/openstack-announce/2013-May/000102.html mailing-listx_refsource_MLISTVendor Advisory
- http://www.securityfocus.com/bid/59924 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/USN-1831-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2013-2096 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=963462 Issue Tracking
- https://github.com/advisories/GHSA-m674-hmx2-ffhq Advisory
- https://github.com/openstack/nova/commit/0caeb8eaf20abcdc77828f5c6b79fc104619e231
- https://github.com/openstack/nova/commit/44a8aba1d5da87d54db48079103fdef946666d80
- https://nvd.nist.gov/vuln/detail/CVE-2013-2096
- https://review.openstack.org/#/c/28717 x_refsource_CONFIRM
- https://review.openstack.org/#/c/28901 x_refsource_CONFIRM
- https://review.openstack.org/#/c/29192 x_refsource_CONFIRM
- https://web.archive.org/web/20130726040108/http://www.securityfocus.com/bid/59924
- https://www.cve.org/CVERecord?id=CVE-2013-2096
| Link | Providers | Tags |
|---|---|---|
| http://lists.openstack.org/pipermail/openstack-announce/2013-May/000102.html | mailing-listx_refsource_MLISTVendor Advisory | |
| http://www.securityfocus.com/bid/59924 | vdb-entryx_refsource_BID | |
| http://www.ubuntu.com/usn/USN-1831-1 | vendor-advisoryx_refsource_UBUNTU | |
| https://access.redhat.com/security/cve/CVE-2013-2096 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=963462 | Issue Tracking | |
| https://github.com/advisories/GHSA-m674-hmx2-ffhq | Advisory | |
| https://github.com/openstack/nova/commit/0caeb8eaf20abcdc77828f5c6b79fc104619e231 | ||
| https://github.com/openstack/nova/commit/44a8aba1d5da87d54db48079103fdef946666d80 | ||
| https://nvd.nist.gov/vuln/detail/CVE-2013-2096 | ||
| https://review.openstack.org/#/c/28717 | x_refsource_CONFIRM | |
| https://review.openstack.org/#/c/28901 | x_refsource_CONFIRM | |
| https://review.openstack.org/#/c/29192 | x_refsource_CONFIRM | |
| https://web.archive.org/web/20130726040108/http://www.securityfocus.com/bid/59924 | ||
| https://www.cve.org/CVERecord?id=CVE-2013-2096 |
Change history (0)
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