Security updates for Wednesday
Security updates have been issued by Debian (imapfilter, libvncserver, and pam-python), Fedora (tcpdump), Mageia (file, graphviz, kernel, and php, pcre2), openSUSE (nfs-utils), Red Hat (heketi and samba), Scientific Linux (thunderbird), SUSE (libtomcrypt, php7, and runc), and Ubuntu (apport, libarchive, libidn2, samba, and whoopsie).