cve/2019/CVE-2019-20091.md

### [CVE-2019-20091](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20091)
![](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

An issue was discovered in Bento4 1.5.1.0. There is a NULL pointer dereference in AP4_Descriptor::GetTag in mp42ts when called from AP4_DecoderConfigDescriptor::GetDecoderSpecificInfoDescriptor in Ap4DecoderConfigDescriptor.cpp.

### POC

#### Reference
- https://github.com/axiomatic-systems/Bento4/issues/462

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