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X.org

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

CVE-2026-93519 Oct 28, 2026 Source: Vendor

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.

Source of record The credited names below are quoted verbatim from the vendor's own advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-93519
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Credited

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CVE-2026-93519 BR2026-0000-037830 unclaimed
Credited as Anonymous working with TrendAI Zero Day Initiative