CVE-2018-16749
In ImageMagick 7.0.7-29 and earlier, a missing NULL check in ReadOneJNGImage in coders/png.c allows an attacker to cause a denial of service (WriteBlob assertion failure and application exit) via a crafted file.
Date published : 2018-09-09
https://github.com/ImageMagick/ImageMagick/issues/1119
https://github.com/ImageMagick/ImageMagick6/commit/1007b98f8795ad4bea6bc5f68a32d83e982fdae4