libcgroup up to and including 0.41 creates /var/log/cgred with mode 0666 regardless of the configured umask, leading to disclosure of information.
lists.opensuse.org/opensuse-security-announce/2018-08/msg00023.html
access.redhat.com/errata/RHSA-2019:2047
bugzilla.suse.com/show_bug.cgi?id=1100365
lists.debian.org/debian-lts-announce/2018/08/msg00019.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3VH333EONOEEGKOLHHFXCJYHCYMHJ4KK/
sourceforge.net/p/libcg/libcg/ci/0d88b73d189ea3440ccaab00418d6469f76fa590/