CVE-2026-94283
Medium
Description
An out-of-bounds read vulnerability in libX11's XIM (X Input Method) attribute parser in libX11 before 1.8.14 could be used by malicious X servers to crash attached X clients.
SeverityMedium
CVSS6.5
Exploit probability—
ProductlibX11
PublishedSep 28, 2026
First seenSep 28, 2026
Weakness typeCWE-125Out-of-bounds read
How to fix
Update
- x.org libX111.8.14 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| x.org libX11 | v < 1.8.14 | 1.8.14 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.