Description
An issue was discovered in OpenStack Horizon 25.6 and 25.7 before 25.7.3. There is a write operation to the session storage backend before authentication and thus storage can be exhausted by unauthenticated requests. This is a regression of the CVE-2014-8124 fix.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| OpenStack | Horizon | 25.6.0 – < 25.7.3 | 25.7.3 |
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 | horizon | 3:25.7.3-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | horizon | No fix yet | — |
| Ubuntu 26.04 LTS | horizon | No fix yet | — |
| Ubuntu 25.10 | horizon | No fix yet | — |
| Ubuntu 24.04 LTS | horizon | No fix yet | — |
| Ubuntu 22.04 LTS | horizon | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | horizon | No fix yet | — |
| Ubuntu 16.04 LTS | horizon | No fix yet | — |
| Ubuntu Pro 20.04 LTS | horizon | No fix yet | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | horizon | >= 25.6, < 25.7.3 | 25.7.3 | GHSA-vxvf-xvm3-p8j5 |