CVEs-PoC/2021/CVE-2021-46143.md

### [CVE-2021-46143](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-46143)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brightgreen)

### Description

In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/NaInSec/CVE-PoC-in-GitHub
- https://github.com/SYRTI/POC_to_review
- https://github.com/Trinadh465/external_lib_AOSP10_r33_CVE-2021-45960_CVE-2021-46143-
- https://github.com/WhooAmii/POC_to_review
- https://github.com/adegoodyer/kubernetes-admin-toolkit
- https://github.com/fokypoky/places-list
- https://github.com/nanopathi/external_expat_AOSP10_r33_CVE-2021-46143
- https://github.com/nomi-sec/PoC-in-GitHub
- https://github.com/trhacknon/Pocingit
- https://github.com/zecool/cve