CVE-2026-93517 (GCVE-0-2026-93517)

Vulnerability from cvelistv5 – Published: 2026-10-28 13:16 – Updated: 2026-10-28 13:16
VLAI
Title
X.Org Server GLX RenderLarge Heap Buffer Overflow
Summary
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.
Severity
8.5 (High)
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
CWE
  • CWE-122 - Heap-based buffer overflow
Assigner
suse CNA under the mitre root
CNA scorecard B 80/100 over 116 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
x.orgg xorg-x11-server Affected: 0 , < 21.1.25 (rpm)
    cpe:2.3:a:x.orgg:xorg-x11-server:*:*:*:*:*:*:*:*
Create a notification for this product.
x.org xwayland Affected: 0 , < 24.1.14 (rpm)
    cpe:2.3:a:x.org:xwayland:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-10-28 13:11
Credits
Anonymous working with TrendAI Zero Day Initiative
Show details on NVD website
To clipboard 

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