CVE-2026-93523
X.Org Server XInput2 PassiveUngrabDevice Out-of-Bounds Write
- State
- Published
- Severity
- 7.8 High
- Published
- Oct 28, 2026
- Updated
- Oct 28, 2026
- Reserved
- Sep 18, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.8 High | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | suse |
Weaknesses
- CWE-122 Heap-based buffer overflow
Affected Products
| Product | Versions |
|---|---|
xorg-x11-serverx.org |
|
xwaylandx.org |
|
References
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