Provide references for CVE-2017-18230.
Where can I find more information about CVE-2017-18230?
References are available at: https://lists.debian.org/debian-lts-announce/2018/03/msg00025.html, https://www.debian.org/security/2018/dsa-4321, http://hg.graphicsmagick.org/hg/GraphicsMagick/rev/53a4d841e90f, https://lists.debian.org/debian-lts-announce/2018/08/msg00002.html, https://sourceforge.net/p/graphicsmagick/bugs/473/, https://usn.ubuntu.com/4266-1/.