Security updates for Friday

Security updates have been issued by CentOS (kernel), Debian (ghostscript, mesa, and postgresql-common), Fedora (chromium, php-robrichards-xmlseclibs, php-robrichards-xmlseclibs3, samba, scap-security-guide, and wpa_supplicant), Mageia (cpio, fribidi, libapreq2, python-numpy, webkit2, and zeromq), openSUSE (ImageMagick, kernel, libtomcrypt, qemu, ucode-intel, and xen), Oracle (kernel), Red Hat (ghostscript, kernel, and kernel-rt), Scientific Linux (ghostscript and kernel), SUSE (bash, enigmail, ghostscript, ImageMagick, kernel, libjpeg-turbo, openconnect, and squid), and Ubuntu (ghostscript, imagemagick, and postgresql-common).