CVE-2023-43787

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.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://access.redhat.com/errata/RHSA-2024:2145
https://access.redhat.com/errata/RHSA-2024:2973
https://access.redhat.com/security/cve/CVE-2023-43787	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2242254	Issue Tracking Third Party Advisory
http://www.openwall.com/lists/oss-security/2024/01/24/9
https://access.redhat.com/errata/RHSA-2024:2145
https://access.redhat.com/errata/RHSA-2024:2973
https://access.redhat.com/security/cve/CVE-2023-43787	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2242254	Issue Tracking Third Party Advisory
https://jfrog.com/blog/xorg-libx11-vulns-cve-2023-43786-cve-2023-43787-part-two/
https://lists.debian.org/debian-lts-announce/2023/10/msg00005.html
https://security.netapp.com/advisory/ntap-20231103-0006/

Configurations

Configuration 1 (hide)

cpe:2.3:a:x.org:libx11:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux:9.0:::::::*

Configuration 3 (hide)

cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*

History

04 Nov 2025, 20:17

Type	Values Removed	Values Added
References		() https://lists.debian.org/debian-lts-announce/2023/10/msg00005.html -

Information

Published : 2023-10-10 13:15

Updated : 2025-11-04 20:17

NVD link : CVE-2023-43787

Mitre link : CVE-2023-43787

CVE.ORG link : CVE-2023-43787

JSON object : View

Products Affected

redhat

enterprise_linux

x.org

libx11

fedoraproject

fedora

CWE

CWE-122

Heap-based Buffer Overflow

CWE-190

Integer Overflow or Wraparound

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