CVE-2026-93517
X.Org Server GLX RenderLarge Heap Buffer Overflow
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
A heap buffer overflow in handling GLX RenderLarge request where dataBytes exceeds cmdlen in X.org X server before 21.1.25 and XWayland before 24.1.14 that could be be triggered by an authenticated X client could cause crashes or code execution in X server context.
| CWE | CWE-122 |
| Vendor | x.orgg |
| Product | xorg-x11-server |
| Published | Oct 28, 2026 |
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Affected Versions
x.orgg / xorg-x11-server
0 < 21.1.25
x.org / xwayland
0 < 24.1.14
References
Credits
Anonymous working with TrendAI Zero Day Initiative