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X.orgg

CVE-2026-93517: A heap buffer overflow in handling GLX RenderLarge request where dataBytes exceeds cmdlen in X.org X server before 21.1.25 and XWayland before 24.1.14 that coul

CVE-2026-93517 Oct 28, 2026 Source: Vendor

A heap buffer overflow in handling GLX
RenderLarge request where dataBytes exceeds cmdlen in X.org X server before 21.1.25 and XWayland before 24.1.14 that could be be triggered by an authenticated X client could cause crashes or code execution 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-2026-93517
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Credited

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CVE-2026-93517 BR2026-0000-037828 unclaimed
Credited as Anonymous working with TrendAI Zero Day Initiative