Thursday's security updates
Fedora has updated php-symfony-symfony (F17; F16: information disclosure), plexus-cipher (F17; F16: insufficiently random salt) and libssh (F16: code execution).

Mandriva has updated bind (denial of service).

Oracle has updated kernel (OL5: multiple vulnerabilities).

Red Hat has updated bind (denial of service).

Scientific Linux has updated kernel (SL5: multiple vulnerabilities).

SUSE has updated xen (multiple vulnerabilities).

Ubuntu has updated cups (privilege escalation), libtiff (code execution), libxml2 (code execution) and bind9 (denial of service).