Security updates for Tuesday

Security updates have been issued by Debian (linux-4.9, proftpd-dfsg, rrdtool, and zsh), Fedora (kernel), openSUSE (cacti, cacti-spine, mariadb, and ppp), Red Hat (kernel, qemu-kvm, qemu-kvm-ma, and ruby), Slackware (seamonkey), SUSE (kernel, libpng16, ovmf, python-aws-sam-translator, python-boto3, python-botocore, python-cfn-lint, python-jsonschema, python-nose2, python-parameterized, python-pathlib2, python-pytest-cov, python-requests, python-s3transfer, and python36), and Ubuntu (libpam-radius-auth, OpenSMTPD, and ppp).