Security updates for Thursday

Debian has updated emacs23 (code execution) and rails (code execution and more).

Mandriva has updated rootcerts (certificate removal) and tomcat5 (multiple vulnerabilities).

Red Hat has updated acroread (multiple vulnerabilities).

Slackware has updated mozilla-firefox (multiple vulnerabilities), mozilla-thunderbird (multiple vulnerabilities), and seamonkey (multiple vulnerabilities).

Ubuntu has updated gnupg (keyring corruption), kernel (10.04: information leak), and EC2 kernel (10.04: information leak).