### [CVE-2019-17453](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17453)
![](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

Bento4 1.5.1.0 has a NULL pointer dereference in AP4_DescriptorListWriter::Action in Core/Ap4Descriptor.h, related to AP4_IodsAtom::WriteFields in Core/Ap4IodsAtom.cpp, as demonstrated by mp4encrypt or mp4compact.

### POC

#### Reference
- https://github.com/axiomatic-systems/Bento4/issues/436
- https://github.com/axiomatic-systems/Bento4/issues/436
- https://github.com/axiomatic-systems/Bento4/issues/437
- https://github.com/axiomatic-systems/Bento4/issues/437

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