7.8
High
CVE-2026-93520 A heap buffer overflow caused by mismatching size calculations between XkbAllocNames and ChangeKeycodeRange in X.org…
Description
A heap buffer overflow caused by mismatching size calculations between XkbAllocNames and ChangeKeycodeRange in X.org X server before 2.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to crash or potentially execute code in X server context.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| xorg-x11-server 21.1 | earliest → < 21.1.25 | 21.1.25 |
| xwayland 24.1 | earliest → < 24.1.14 | 24.1.14 |
References
- gitlab.freedesktop.org gitlab.freedesktop.org
Timeline
- Published
- Last modified
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