Is CVE-2026-94283 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-94283?

CVE-2026-94283 has a CVSS v3 severity of MEDIUM (6.5).

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CVE-2026-94283

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.