CVE-2023-43786

A vulnerability was found in libX11 due to an infinite loop within the PutSubImage() function. This flaw allows a local user to consume all available system resources and cause a denial of service condition.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

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-2023-43786	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2242253	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-2023-43786	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2242253	Issue Tracking Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00005.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/63IBRFLQVZSMOAZBZOBKFWJP26ILRAGQ/
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-2023-43786

Mitre link : CVE-2023-43786

CVE.ORG link : CVE-2023-43786

JSON object : View

Products Affected

redhat

enterprise_linux

x.org

libx11

fedoraproject

fedora

CWE

CWE-400

Uncontrolled Resource Consumption

CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')

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