CVE-2023-43787

7.8 HIGH

Published: October 10, 2023 Modified: November 04, 2025

Description

A vulnerability was found in libX11 due to an integer overflow within the XCreateImage() function. This flaw allows a local user to trigger an integer overflow and execute arbitrary code with elevated privileges.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://access.redhat.com/errata/RHSA-2024:2145

Source: secalert@redhat.com

https://access.redhat.com/errata/RHSA-2024:2973

Source: secalert@redhat.com

https://access.redhat.com/security/cve/CVE-2023-43787

Source: secalert@redhat.com

Third Party Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=2242254

Source: secalert@redhat.com

Issue Tracking Third Party Advisory

http://www.openwall.com/lists/oss-security/2024/01/24/9