A heap-based buffer overflow vulnerability was found in ImageMagick in versions prior to 7.0.11-14 in ReadTIFFImage() in coders/tiff.c. This issue is due to an incorrect setting of the pixel array size, which can lead to a crash and segmentation fault.
https://github.com/ImageMagick/ImageMagick/commit/930ff0d1a9bc42925a7856e9ea53f5fc9f318bf3
https://bugzilla.redhat.com/show_bug.cgi?id=1973689