The ReadRLEImage function in coders/rle.c in ImageMagick allows remote attackers to cause a denial of service (out-of-bounds read) via vectors related to the number of pixels.
https://github.com/ImageMagick/ImageMagick/issues/82
https://github.com/ImageMagick/ImageMagick/commit/2ad6d33493750a28a5a655d319a8e0b16c392de1
https://bugzilla.redhat.com/show_bug.cgi?id=1378741
https://bugs.launchpad.net/ubuntu/+source/imagemagick/+bug/1533445