coders/rle.c in ImageMagick 7.0.5-4 has an outside the range of representable values of type unsigned char undefined behavior issue, which might allow remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted image. http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-7606
