Provide references for CVE-2020-19609.
Where can I find more information about CVE-2020-19609?
References are available at: https://bugs.ghostscript.com/show_bug.cgi?id=701176, http://git.ghostscript.com/?p=mupdf.git%3Bh=b7892cdc7fae62aa57d63ae62144e1f11b5f9275, https://bugs.ghostscript.com/show_bug.cgi?id=703076, https://lists.debian.org/debian-lts-announce/2021/09/msg00013.html.