CVE-2026-93543
High
Description
An out-of-bounds read in libXi's XI2 class parser in libXi before 1.8.4 could be used by malicious X servers to crash an attached X client.
SeverityHigh
CVSS7.4
Exploit probability—
ProductlibXi
PublishedSep 24, 2026
First seenSep 24, 2026
Weakness typeCWE-125Out-of-bounds read
How to fix
Update
- x.org libXi1.8.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| x.org libXi | v < 1.8.4 | 1.8.4 |
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