CVEs-PoC/2020/CVE-2020-21548.md

### [CVE-2020-21548](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21548)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

Libsixel 1.8.3 contains a heap-based buffer overflow in the sixel_encode_highcolor function in tosixel.c.

### POC

#### Reference
- https://github.com/saitoha/libsixel/issues/116

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