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…
Description
A buffer overflow in RandR ChangeProviderProperty requests in X.Org X Server before 2.1.25 and XWayland before 24.4.14 could be used by authenticated X clients to crash or execute code within the 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 |
Other CVEs of xorg-x11-server
The 12 CVEs of xorg-x11-server →
CVE-2026-93536
X.Org Server GestureBuildSprite Use-After-Free
5.3
Medium
CVE-2026-93524
X.Org Server XKB SetMap Key Width/Action Count Desync Out-Of-Bounds Read
6.9
Medium
CVE-2026-93523
X.Org Server XInput2 PassiveUngrabDevice Out-of-Bounds Write
7.8
High
CVE-2026-93522
X.Org Server Glamor CopyArea Heap Buffer Overflow
7.8
High