ImageMagick 7.0.8-50 Q16 has a heap-based buffer overflow at MagickCore/statistic.c in EvaluateImages because of mishandling columns.
https://www.debian.org/security/2020/dsa-4715
https://www.debian.org/security/2020/dsa-4712
https://usn.ubuntu.com/4192-1/
https://github.com/ImageMagick/ImageMagick6/commit/5e409ae7a389cdf2ed17469303be3f3f21cec450
https://github.com/ImageMagick/ImageMagick/issues/1586
https://github.com/ImageMagick/ImageMagick/commit/a906fe9298bf89e01d5272023db687935068849a
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00069.html