ghostscript is vulnerable to information disclosure. The vulnerability exists due to -dSAFER escape in .charkeys.
jvn.jp/en/jp/JVN52486659/index.html
lists.opensuse.org/opensuse-security-announce/2019-11/msg00049.html
lists.opensuse.org/opensuse-security-announce/2019-11/msg00050.html
www.openwall.com/lists/oss-security/2019/11/15/1
access.redhat.com/errata/RHSA-2019:3888
access.redhat.com/errata/RHSA-2020:0222
access.redhat.com/security/updates/classification/#important
bugs.ghostscript.com/show_bug.cgi?id=701841
bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14869
git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=485904772c5f
lists.fedoraproject.org/archives/list/[email protected]/message/2Q4E3OTDAJRSUCOBTDQO7Y5UTE2FFMLF/
lists.fedoraproject.org/archives/list/[email protected]/message/HC4REO73BEJOJAU7NHFHJECAUAYJUE3H/
lists.fedoraproject.org/archives/list/[email protected]/message/IX55AEDERTDFEZAROKZW64MZRPLINEGI/
seclists.org/bugtraq/2019/Nov/27