Friday's security updates

Arch Linux has updated libxml2 (multiple vulnerabilities).

Debian has updated libgd2 (multiple vulnerabilities).

Fedora has updated jenkins (F23; F22: multiple vulnerabilities).

openSUSE has updated docker(13.2: privilege escalation), libreoffice (13.2: multiple vulnerabilities), ntp (13.2: multiple vulnerabilities), and systemd (Leap 42.1: multiple vulnerabilities).

Ubuntu has updated eglibc,glibc (12.04, 14.04, 15.10: multiple vulnerabilities; regression).