Off-by-one error in magick/cache.c in ImageMagick allows remote attackers to cause a denial of service (segmentation fault) via unspecified vectors.
https://github.com/ImageMagick/ImageMagick/commit/a54fe0e8600eaf3dc6fe717d3c0398001507f723
https://bugzilla.redhat.com/show_bug.cgi?id=1378733
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=832455