Wednesday's security updates

CentOS has updated firefox (C6; C5:
multiple vulnerabilities), thunderbird (C6; C5:
multiple vulnerabilities) and nss (C6; C5: denial
of service).

Debian has updated iceape (multiple
vulnerabilities) and iceweasel (multiple
vulnerabilities).

openSUSE has updated xen (multiple
vulnerabilities).

Red Hat has updated RHEL 5.6: kernel
(privilege escalation), RHEL5&6:
firefox
(multiple vulnerabilities), RHEL5&6: thunderbird (multiple
vulnerabilities), RHEL5: nss, nspr (denial
of service), RHEL6: nss, nspr, nss-util
(denial of service), RHEL6: glibc (multiple
vulnerabilities) and RHEL5: glibc (code
execution).

Scientific Linux has updated SL5&6:
firefox
(multiple vulnerabilities), SL5&6: thunderbird (multiple
vulnerabilities), nss (SL6; SL5: denial of service).

Ubuntu has updated firefox (multiple
vulnerabilities), thunderbird (multiple
vulnerabilities) and ubufox (multiple
vulnerabilities).