cve/2021/CVE-2021-40563.md

### [CVE-2021-40563](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40563)
![](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 Segmentation fault exists casued by null pointer dereference exists in Gpac through 1.0.1 via the naludmx_create_avc_decoder_config function in reframe_nalu.c when using mp4box, which causes a denial of service.

### POC

#### Reference
- https://github.com/gpac/gpac/issues/1892

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