cve/2023/CVE-2023-43786.md

### [CVE-2023-43786](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-43786)
![](https://img.shields.io/static/v1?label=Product&message=Red%20Hat%20Enterprise%20Linux%206&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Red%20Hat%20Enterprise%20Linux%207&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Red%20Hat%20Enterprise%20Linux%208&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Red%20Hat%20Enterprise%20Linux%209&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Uncontrolled%20Resource%20Consumption&color=brighgreen)

### 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.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/AWSXXF/xorg_mirror_libx11
- https://github.com/LingmoOS/libx11
- https://github.com/deepin-community/libx11
- https://github.com/fkie-cad/nvd-json-data-feeds
- https://github.com/jfrog/jfrog-CVE-2023-43786-libX11_DoS
- https://github.com/nomi-sec/PoC-in-GitHub