CVEs-PoC/2020/CVE-2020-27845.md

### [CVE-2020-27845](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27845)
![](https://img.shields.io/static/v1?label=Product&message=openjpeg&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-125&color=brighgreen)

### Description

There's a flaw in src/lib/openjp2/pi.c of openjpeg in versions prior to 2.4.0. If an attacker is able to provide untrusted input to openjpeg's conversion/encoding functionality, they could cause an out-of-bounds read. The highest impact of this flaw is to application availability.

### POC

#### Reference
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://www.oracle.com/security-alerts/cpuApr2021.html

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/Live-Hack-CVE/CVE-2020-27845
- https://github.com/zodf0055980/Yuan-fuzz