vulnerability

Amazon Linux 2023: CVE-2023-43785: Medium priority package update for libX11

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Severity	CVSS	Published	Added	Modified
7	(AV:N/AC:M/Au:N/C:C/I:N/A:N)	Oct 4, 2023	Feb 17, 2025	Jul 4, 2025

Severity

CVSS

(AV:N/AC:M/Au:N/C:C/I:N/A:N)

Published

Oct 4, 2023

Added

Feb 17, 2025

Modified

Jul 4, 2025

Description

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.

Solutions

amazon-linux-2023-upgrade-libx11amazon-linux-2023-upgrade-libx11-commonamazon-linux-2023-upgrade-libx11-debuginfoamazon-linux-2023-upgrade-libx11-debugsourceamazon-linux-2023-upgrade-libx11-develamazon-linux-2023-upgrade-libx11-xcbamazon-linux-2023-upgrade-libx11-xcb-debuginfo

References

CVE-2023-43785
https://attackerkb.com/topics/CVE-2023-43785
URL-https://alas.aws.amazon.com/AL2023/ALAS-2023-383.html
CWE-787
CWE-125

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