CVE-2026-94286
High
Description
An out-of-bounds read in libXtst's RECORD reply parser in libXtst before 1.2.6 could be used by malicious X servers to crash attached X clients.
SeverityHigh
CVSS7.1
Exploit probability—
ProductlibXtst
PublishedSep 28, 2026
First seenSep 28, 2026
Weakness typeCWE-126CWE-126
How to fix
Update
- x.org libXtst1.2.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| x.org libXtst | v < 1.2.6 | 1.2.6 |
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