CVE-2017-18273
In ImageMagick 7.0.7-16 Q16 x86_64 2017-12-22, an infinite loop vulnerability was found in the function ReadTXTImage in coders/txt.c, which allows attackers to cause a denial of service (CPU exhaustion) via a crafted image file that is mishandled in a GetImageIndexInList call.
Date published : 2018-05-18
https://github.com/ImageMagick/ImageMagick/issues/910
https://lists.debian.org/debian-lts-announce/2018/05/msg00012.html