CVEs-PoC/2021/CVE-2021-4022.md

### [CVE-2021-4022](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4022)
![](https://img.shields.io/static/v1?label=Product&message=rizin&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=rizin%200.3.1%20and%20before%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-400&color=brightgreen)

### Description

A vulnerability was found in rizin. The bug involves an ELF64 binary for the HPPA architecture. When a specially crafted binarygets analysed by rizin, it causes rizin to crash by freeing an uninitialized (and potentially user controlled, depending on the build) memory address.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/Live-Hack-CVE/CVE-2021-4022