cve/2019/CVE-2019-20630.md

### [CVE-2019-20630](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20630)
![](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

An issue was discovered in libgpac.a in GPAC before 0.8.0, as demonstrated by MP4Box. It contains a heap-based buffer over-read in BS_ReadByte (called from gf_bs_read_bit) in utils/bitstream.c that can cause a denial of service via a crafted MP4 file.

### POC

#### Reference
- https://github.com/gpac/gpac/issues/1268

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