The ReadCAPTIONImage function in coders/caption.c in ImageMagick 7.0.7-3 allows remote attackers to cause a denial of service (infinite loop) via a crafted font file. Upstream issue: https://github.com/ImageMagick/ImageMagick/issues/771 Upstream patch: https://github.com/ImageMagick/ImageMagick/commit/7d8e14899c562157c7760a77fc91625a27cb596f