CVE-2023-43785 MEDIUM

CVE-2023-43785: Libx11: out-of-bounds memory access in _xkbreadkeysyms()

Vendor Red Hat
Product Red Hat Enterprise Linux 6
Weakness CWE-787
Published October 10, 2023
Last update November 6, 2025
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

October 10, 2023 CVE published
November 6, 2025 Record updated