Security updates for Tuesday

Security updates have been issued by CentOS (flatpak, ghostscript, and python-jinja2), Debian (cups-filters, imagemagick, qt4-x11, and samba), Fedora (httpd and wpa_supplicant), openSUSE (freeradius-server, nmap, python-Jinja2, signing-party, and webkit2gtk3), Red Hat (java-1.7.1-ibm and java-1.8.0-ibm), Scientific Linux (python-jinja2), SUSE (cf-cli, java-1_8_0-openjdk, and libxslt), and Ubuntu (isc-dhcp, openjdk-8, openjdk-lts, samba, and VCFtools).