Is CVE-2026-93519 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-93519?

CVE-2026-93519 has a CVSS v3 severity of HIGH (7.8).

Back

CVE-2026-93519

Description

A buffer overflow when handling pointer barriers in the XFIXES extension in X.Org X server before 21.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to crash or potentially execute code in X server context.