Double Free Affecting xorg-x11-server-Xorg package, versions <0:1.20.11-28.el8_10.5


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.19% (9th percentile)

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  • Snyk IDSNYK-ORACLE8-XORGX11SERVERXORG-21717842
  • published26 Oct 2026
  • disclosed27 Oct 2026

Introduced: 26 Oct 2026

NewCVE-2026-88812  (opens in a new tab)
CWE-415  (opens in a new tab)

How to fix?

Upgrade Oracle:8 xorg-x11-server-Xorg to version 0:1.20.11-28.el8_10.5 or higher.
This issue was patched in ELSA-2026-89747.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xorg-x11-server-Xorg package and not the xorg-x11-server-Xorg package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

A double free in XKB SetGeometryin X.Org X Server before 21.1.25 and X Wayland before 24.1.14 could be used by attached clients to cause a crash or potentially code in the x server context.

CVSS Base Scores

version 3.1