cve/2021/CVE-2021-46700.md

### [CVE-2021-46700](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-46700)
![](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

In libsixel 1.8.6, sixel_encoder_output_without_macro (called from sixel_encoder_encode_frame in encoder.c) has a double free.

### POC

#### Reference
- https://github.com/saitoha/libsixel/issues/158

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