Integer Overflow or Wraparound Affecting xorg-x11-server-common package, versions <0:1.20.11-19.el9_2


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.01% (3rd percentile)

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  • Snyk IDSNYK-RHEL9-XORGX11SERVERCOMMON-14152405
  • published1 Dec 2025
  • disclosed29 Oct 2025

Introduced: 29 Oct 2025

CVE-2025-62231  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade RHEL:9 xorg-x11-server-common to version 0:1.20.11-19.el9_2 or higher.
This issue was patched in RHSA-2025:22364.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xorg-x11-server-common package and not the xorg-x11-server-common package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

A flaw was identified in the X.Org X server’s X Keyboard (Xkb) extension where improper bounds checking in the XkbSetCompatMap() function can cause an unsigned short overflow. If an attacker sends specially crafted input data, the value calculation may overflow, leading to memory corruption or a crash.

CVSS Base Scores

version 3.1