CVEs-PoC/2020/CVE-2020-6851.md

### [CVE-2020-6851](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6851)
![](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

OpenJPEG through 2.3.1 has a heap-based buffer overflow in opj_t1_clbl_decode_processor in openjp2/t1.c because of lack of opj_j2k_update_image_dimensions validation.

### POC

#### Reference
- https://github.com/uclouvain/openjpeg/issues/1228
- https://www.oracle.com/security-alerts/cpujul2020.html

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