Out-of-bounds Read Affecting libx11 package, versions <2:1.6.4-3ubuntu0.4+esm2


Severity

Recommended
0.0
medium
0
10

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-UBUNTU1804-LIBX11-5927339
  • published4 Oct 2023
  • disclosed10 Oct 2023

Introduced: 4 Oct 2023

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

How to fix?

Upgrade Ubuntu:18.04 libx11 to version 2:1.6.4-3ubuntu0.4+esm2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libx11 package and not the libx11 package as distributed by Ubuntu. See How to fix? for Ubuntu:18.04 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 Scores

version 3.1