7.8
High
CVE-2026-93523 A heap buffer overflow caused by a XIPassiveUngrabDevice request with an out-of-range modifier value in X.Org X Server…
Description
A heap buffer overflow caused by a XIPassiveUngrabDevice request with an out-of-range modifier value in X.Org X Server before 21.1.15 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
Other CVEs of xorg-x11-server
The 12 CVEs of xorg-x11-server →
CVE-2026-93536
A use after free caused by missing lifecycle management of gesture sprites in GestureBuildSprite() in X.Org X Server…
5.3
Medium
CVE-2026-93524
A buffer overread in CheckKeySyms() in X.Org X Server before 21.1.25 and XWayland before 24.1.14 could be used by…
6.9
Medium
CVE-2026-93522
X.Org Server Glamor CopyArea Heap Buffer Overflow
7.8
High
CVE-2026-93521
A buffer overflow in RandR ChangeProviderProperty requests in X.Org X Server before 2.1.25 and XWayland before 24.4.14…
7.8
High