Friday's security updates

Debian has updated python-imaging (denial of service).

Mageia has updated krb5 (multiple vulnerabilities) and sdcc (denial of service).

Ubuntu has updated ceilometer (14.04: information leak), glance (14.04: denial of service), horizon (14.04: multiple vulnerabilities), keystone (14.04: multiple vulnerabilities), neutron (14.04: multiple vulnerabilities), and nova (14.04: information leak).