Provide references for CVE-2020-21710.
Where can I find more information about CVE-2020-21710?
References are available at: https://bugs.ghostscript.com/show_bug.cgi?id=701843, https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=4e713293de84b689c4ab358f3e110ea54aa81925, https://lists.debian.org/debian-lts-announce/2023/09/msg00029.html.