CVE-2023-43786

MEDIUM

libX11 - DoS

Title source: llm

Description

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.

Exploits (1)

nomisec WORKING POC
by jfrog · poc
https://github.com/jfrog/jfrog-CVE-2023-43786-libX11_DoS

References (8)

Scores

CVSS v3 5.5
EPSS 0.0008
EPSS Percentile 24.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Classification

CWE
CWE-400 CWE-835
Status published

Affected Products (4)

x.org/libx11 < 1.8.7
redhat/enterprise_linux
redhat/enterprise_linux
fedoraproject/fedora

Timeline

Published Oct 10, 2023
Tracked Since Feb 18, 2026