cve/2021/CVE-2021-46521.md

### [CVE-2021-46521](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-46521)
![](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

Cesanta MJS v2.20.0 was discovered to contain a global buffer overflow via c_vsnprintf at mjs/src/common/str_util.c.

### POC

#### Reference
- https://github.com/cesanta/mjs/issues/190

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