Security updates for Monday

Security updates have been issued by Arch Linux (bchunk, thunderbird, and xerces-c), Debian (freeplane, icu, libvirt, and net-snmp), Fedora (monitorix, php-simplesamlphp-saml2, php-simplesamlphp-saml2_1, php-simplesamlphp-saml2_3, puppet, and qt5-qtwebengine), openSUSE (curl, libmodplug, libvorbis, mailman, nginx, opera, python-paramiko, and samba, talloc, tevent), Red Hat (python-paramiko, rh-maven35-slf4j, rh-mysql56-mysql, rh-mysql57-mysql, rh-ruby22-ruby, rh-ruby23-ruby, and rh-ruby24-ruby), Slackware (thunderbird), SUSE (clamav, kernel, memcached, and php53), and Ubuntu (samba and tiff).