Is CVE-2026-94284 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-94284?

CVE-2026-94284 has a CVSS v3 severity of MEDIUM (5.5).

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CVE-2026-94284

Description

An out-of-bounds read vulnerability in libX11's XIM trigger-key registration parser in libX11 before 1.8.14 could be used by malicious X servers to crash attached X clients.