cve/2016/CVE-2016-5766.md

### [CVE-2016-5766](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5766)
![](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

Integer overflow in the _gd2GetHeader function in gd_gd2.c in the GD Graphics Library (aka libgd) before 2.2.3, as used in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8, allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via crafted chunk dimensions in an image.

### POC

#### Reference
- https://bugs.php.net/bug.php?id=72339

#### Github
- https://github.com/syadg123/pigat
- https://github.com/teamssix/pigat