Is CVE-2026-94285 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-94285?

CVE-2026-94285 has a CVSS v3 severity of MEDIUM (5.1).

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CVE-2026-94285

Description

An out-of-bounds read in libX11's byte-oriented codeset parser in libX11 before 1.8.14 could be used by malicious X servers to crash attached X clients.