CVE-2026-94283

Monday, September 28, 2026

6.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Summary

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.

Affected Software

Vendor	Product	Version Range	Status
x.org	libX11	`0 < 1.8.14`	affected

Weaknesses

CWE-125: CWE-125 Out-of-bounds read

References

https://gitlab.freedesktop.org/xorg/lib/libx11/-/merge_requests/310/diffs?commit_id=42d0303f243002a9856c76060569a61893c670dd

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