Use After Free Affecting xorg-x11-server-source package, versions *


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

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  • Snyk IDSNYK-RHEL7-XORGX11SERVERSOURCE-8751537
  • published26 Feb 2025
  • disclosed25 Feb 2025

Introduced: 25 Feb 2025

NewCVE-2025-26594  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:7 xorg-x11-server-source.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xorg-x11-server-source package and not the xorg-x11-server-source package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

A use-after-free flaw was found in X.Org and Xwayland. The root cursor is referenced in the X server as a global variable. If a client frees the root cursor, the internal reference points to freed memory and causes a use-after-free.

CVSS Scores

version 3.1