### [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.