MagickCore/memory.c in ImageMagick allows remote attackers to cause a denial of service (out-of-bounds access) via a crafted PDB file.
https://github.com/ImageMagick/ImageMagick/issues/143
https://github.com/ImageMagick/ImageMagick/commit/6d202a0514fb6a406456b8b728cde776becb25f8
https://github.com/ImageMagick/ImageMagick/commit/424d40ebfcde48bb872eba75179d3d73704fdf1f
https://bugzilla.redhat.com/show_bug.cgi?id=1378773
https://bugs.launchpad.net/ubuntu/+source/imagemagick/+bug/1553366