coders/wpg.c in ImageMagick allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted file.
https://github.com/ImageMagick/ImageMagick/issues/122
https://github.com/ImageMagick/ImageMagick/commit/b3dd69b23e9338806891c708a0cc8a82c0d1872a
https://github.com/ImageMagick/ImageMagick/commit/a251039393f423c7858e63cab6aa98d17b8b7a41
https://bugzilla.redhat.com/show_bug.cgi?id=1378759
https://bugs.launchpad.net/ubuntu/+source/imagemagick/+bug/1542115