CVEs-PoC/2016/CVE-2016-4797.md

### [CVE-2016-4797](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4797)
![](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

Divide-by-zero vulnerability in the opj_tcd_init_tile function in tcd.c in OpenJPEG before 2.1.1 allows remote attackers to cause a denial of service (application crash) via a crafted jp2 file. NOTE: this issue exists because of an incorrect fix for CVE-2014-7947.

### POC

#### Reference
- https://github.com/uclouvain/openjpeg/issues/733
- https://www.oracle.com/security-alerts/cpujul2020.html

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