The ReadGROUP4Image function in coders/tiff.c in ImageMagick does not check the return value of the fwrite function, which allows remote attackers to cause a denial of service (application crash) via a crafted file.Referenceshttp://www.securityfocus.com/bid/95209http://www.debian.org/security/2017/dsa-3799https://github.com/ImageMagick/ImageMagick/issues/196http://www.openwall.com/lists/oss-security/2016/12/26/9https://bugzilla.redhat.com/show_bug.cgi?id=1410473