Friday's security updates

CentOS has updated libvirt (denial of service).

Fedora has updated cxf (F17; multiple vulnerabilities), firefox (F16, F17, F18; information disclosure), and xulrunner (F16, F17, F18; information disclosure).

Mandriva has updated bacula (information disclosure) and graphicsmagick (denial of service).

openSUSE has updated kernel (multiple vulnerabilities).

Oracle has updated libvirt (denial of service).

Slackware has updated mozilla-firefox (information disclosure) and mozilla-thunderbird (information disclosure).

Ubuntu has updated firefox (information disclosure), kernel (10.04, 11.10; multiple vulnerabilities), kernel (12.04; privilege escalation), and kernel (11.10 OMAP4; denial of service).