HIGH 8.5 NVD

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

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.

References

https://gitlab.freedesktop.org/xorg/xserver/-/commit/2abe4632d793314d3d5f28c19583fb76019f5

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

This high severity vulnerability with a CVSS score of 8.5 was published on 2026-10-28 via NVD.

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