HIGH 7.8 NVD

CVE-2026-93519

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 authentic

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.

References

https://gitlab.freedesktop.org/xorg/xserver/-/commit/1f42cc1f00d9c6d46978ae82dba8a52f4d902

Published: 2026-10-28 · Source: NVD · Feed updated: 2026-10-28

This high severity vulnerability with a CVSS score of 7.8 was published on 2026-10-28 via NVD.

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