CVE-2026-93536
X.Org Server GestureBuildSprite Use-After-Free
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
A use after free caused by missing lifecycle management of gesture sprites in GestureBuildSprite() in X.Org X Server before 21.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to crash the X server or potentially execute code.
| CWE | CWE-122 |
| Vendor | x.org |
| Product | xorg-x11-server |
| Published | Oct 28, 2026 |
Stay Ahead of the Next One
Get instant alerts for x.org xorg-x11-server
Be the first to know when new medium vulnerabilities affecting x.org xorg-x11-server are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
High
Affected Versions
x.org / xorg-x11-server
0 < 21.1.25
x.org / xwayland
0 < 24.1.14
References
Credits
4nibhal working with TrendAI Zero Day Initiative