GraphicsMagick: Use after free in ReadOneJNGImage and ReadJNGImage functions in coders/png.c allow an attacker to cause a denial of service via crafted file
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.