Buffer overflow in the ReadVIFFImage function in coders/viff.c in ImageMagick before 6.9.4-5 allows remote attackers to cause a denial of service (application crash) via a crafted file.
https://github.com/ImageMagick/ImageMagick/commit/f6e9d0d9955e85bdd7540b251cd50d598dacc5e6
https://github.com/ImageMagick/ImageMagick/commit/e45e48b881038487d0bc94d92a16c1537616cc0a
https://bugzilla.redhat.com/show_bug.cgi?id=1410491