Description
OpenStack Compute (Nova) Folsom, Grizzly, and Havana does not properly verify the virtual size of a QCOW2 image, which allows local users to cause a denial of service (host file system disk consumption) via a compressed QCOW2 image. NOTE: this issue is due to an incomplete fix for CVE-2013-2096.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | nova | 2013.2-3 | — |
| Debian 13 | nova | 2013.2-3 | — |
| Debian 12 | nova | 2013.2-3 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | nova | 1:2014.1-0ubuntu1.2 | USN-2247-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat OpenStack 3 | python-nova +12 | 2013.1.4-4.el6ost | RHSA-2014:0112 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | nova | < 12.0.0a0 | 12.0.0a0 | GHSA-5644-2v3h-5w4x |
Advisories 2
- RHSA-2014:0112 Red Hat Security Advisory: openstack-nova security and bug fix update Red Hat Security Advisories (RHSA) · Aug 1, 2026
- USN-2247-1 nova vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026