cve/2020/CVE-2020-20902.md

### [CVE-2020-20902](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-20902)
![](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 CWE-125: Out-of-bounds read vulnerability exists in long_term_filter function in g729postfilter.c in FFmpeg 4.2.1 during computation of the denominator of pseudo-normalized correlation R'(0), that could result in disclosure of information.

### POC

#### Reference
- https://trac.ffmpeg.org/ticket/8176
- https://trac.ffmpeg.org/ticket/8176

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