Provide references for CVE-2018-6187.
Where can I find more information about CVE-2018-6187?
References are available at: https://security.gentoo.org/glsa/201811-15, https://www.debian.org/security/2018/dsa-4334, http://www.securityfocus.com/bid/102823, https://bugs.ghostscript.com/show_bug.cgi?id=698908, https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=3e30fbb7bf5efd88df431e366492356e7eb969ec.