CVEs-PoC/2021/CVE-2021-23159.md

### [CVE-2021-23159](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23159)
![](https://img.shields.io/static/v1?label=Product&message=SoX%20(Sound%20eXchange)&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=Not%20Known%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-120%20-%20Buffer%20Copy%20without%20Checking%20Size%20of%20Input%20('Classic%20Buffer%20Overflow')&color=brightgreen)

### Description

A vulnerability was found in SoX, where a heap-buffer-overflow occurs in function lsx_read_w_buf() in formats_i.c file. The vulnerability is exploitable with a crafted file, that could cause an application to crash.

### POC

#### Reference
- https://sourceforge.net/p/sox/bugs/352/

#### Github
No PoCs found on GitHub currently.