Security updates for Thursday

Debian has updated php5 (multiple vulnerabilities).

Debian-LTS has updated pykerberos (authentication botch) and python-django (two vulnerabilities).

Fedora has updated mariadb (F21: unspecified).

Mageia has updated cgit (code execution from 2014).

Ubuntu has updated qemu, qemu-kvm (multiple vulnerabilities, including one from 2014).