CVEs-PoC/2020/CVE-2020-21697.md

### [CVE-2020-21697](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21697)
![](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

A heap-use-after-free in the mpeg_mux_write_packet function in libavformat/mpegenc.c of FFmpeg 4.2 allows to cause a denial of service (DOS) via a crafted avi file.

### POC

#### Reference
- https://trac.ffmpeg.org/ticket/8188

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