cve/2021/CVE-2021-40570.md

### [CVE-2021-40570](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40570)
![](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

The binary MP4Box in Gpac 1.0.1 has a double-free vulnerability in the avc_compute_poc function in av_parsers.c, which allows attackers to cause a denial of service, even code execution and escalation of privileges.

### POC

#### Reference
- https://github.com/gpac/gpac/commit/04dbf08bff4d61948bab80c3f9096ecc60c7f302
- https://github.com/gpac/gpac/issues/1899

#### Github
- https://github.com/s-cube-xmu/Bug_List