Buffer overflow in the sixel_decode function in coders/sixel.c in ImageMagick before 6.9.5-8 allows remote attackers to cause a denial of service (application crash) or have other unspecified impact via a crafted file.
https://github.com/ImageMagick/ImageMagick/commit/eedd0c35bb2d8af7aa05f215689fdebd11633fa1
https://github.com/ImageMagick/ImageMagick/commit/10b3823a7619ed22d42764733eb052c4159bc8c1
https://bugzilla.redhat.com/show_bug.cgi?id=1410465
http://www.securityfocus.com/bid/95191