cve/2017/CVE-2017-18220.md

### [CVE-2017-18220](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18220)
![](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

The ReadOneJNGImage and ReadJNGImage functions in coders/png.c in GraphicsMagick 1.3.26 allow remote attackers to cause a denial of service (magick/blob.c CloseBlob use-after-free) or possibly have unspecified other impact via a crafted file, a related issue to CVE-2017-11403.

### POC

#### Reference
- https://sourceforge.net/p/graphicsmagick/bugs/438/

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