ImageMagick 7.0.8-50 Q16 has memory leaks in AcquireMagickMemory because of an AnnotateImage error.
https://www.debian.org/security/2020/dsa-4712
https://usn.ubuntu.com/4192-1/
https://github.com/ImageMagick/ImageMagick/issues/1589
https://github.com/ImageMagick/ImageMagick/issues/1585
https://github.com/ImageMagick/ImageMagick/commit/f595a1985233c399a05c0c37cc41de16a90dd025
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00069.html