MagickCore/memory.c in ImageMagick allows remote attackers to cause a denial of service (out-of-bounds write) via a crafted PDB file.
https://github.com/ImageMagick/ImageMagick/issues/107
https://bugzilla.redhat.com/show_bug.cgi?id=1378763
https://bugs.launchpad.net/ubuntu/+source/imagemagick/+bug/1542112
https://bugs.launchpad.net/ubuntu/+source/imagemagick/+bug/1539061