CVE-2026-93524
X.Org Server XKB SetMap Key Width/Action Count Desync Out-Of-Bounds Read
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
A buffer overread in CheckKeySyms() in X.Org X Server before 21.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to leak small amounts of information from X server memory or potentially crash the X server.
| CWE | CWE-126 |
| Vendor | x.org |
| Product | xorg-x11-server |
| Published | Oct 28, 2026 |
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Affected Versions
x.org / xorg-x11-server
0 < 21.1.25
x.org / xwayland
0 < 24.1.14
References
Credits
WONJOON HWANG (@joon1337) working with TrendAI Zero Day Initiative