Security updates for Thursday
Security updates have been issued by Debian (bzr and exim4), Mageia (ghostscript, libtiff, mediawiki, postgresql, thunderbird, and vlc), openSUSE (kernel-firmware and samba), Oracle (samba4), SUSE (xen), and Ubuntu (exim4, libxcursor, and libxfont, libxfont1, libxfont2).