The ConcatenateImages function in MagickWand/magick-cli.c in ImageMagick before 7.0.1-10 does not check the return value of the fputc function, which allows remote attackers to cause a denial of service (application crash) via a crafted file. http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-10060
