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CVE-2026-93517Published

X.Org Server GLX RenderLarge Heap Buffer Overflow

Exact source revision recorded 28 Oct 2026 14:46:48 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-93517

Published

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 published
28 Oct 2026 13:16:39 UTC
Source modified
28 Oct 2026 13:16:39 UTC
Observed here
28 Oct 2026 14:46:48 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: cve-program · CVE Program Terms of Use. Source text is retained; field grouping and change labels are provided by ChangeIntel.

CVSS 4.0 · 8.5 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

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An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 31 Oct 07:00 UTC · 272 of 272 readable · 270 fully read · documentation 469/469 current

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