Out-of-bounds Read Affecting libX11-xcb package, versions <0:1.7.0-9.el9


Severity

Recommended
0.0
medium
0
10

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.67% (51st percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-ROCKY9-LIBX11XCB-10062784
  • published8 May 2025
  • disclosed10 Oct 2023

Introduced: 10 Oct 2023

CVE-2023-43785  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:9 libX11-xcb to version 0:1.7.0-9.el9 or higher.
This issue was patched in RLSA-2024:2145.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libX11-xcb package and not the libX11-xcb package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:9 relevant fixed versions and status.

A vulnerability was found in libX11 due to a boundary condition within the _XkbReadKeySyms() function. This flaw allows a local user to trigger an out-of-bounds read error and read the contents of memory on the system.

CVSS Base Scores

version 3.1