Integer overflow in coders/icon.c in ImageMagick 6.9.1-3 and later allows remote attackers to cause a denial of service (application crash) via a crafted length value, which triggers a buffer overflow.
Integer truncation issue in coders/pict.c in ImageMagick before 7.0.5-0 allows remote attackers to cause a denial of service (application crash) via a crafted .pict file.
The ReadHDRImage function in coders/hdr.c in ImageMagick 6.x and 7.x allows remote attackers to cause a denial of service (infinite loop) via a crafted HDR file.