The following updates has been released for Ubuntu Linux:
USN-3430-1: Dnsmasq vulnerabilitiesFirefox Updates and more for Ubuntu
USN-3431-1: NSS vulnerability
USN-3432-1: ca-certificates update
USN-3433-1: poppler vulnerabilities
USN-3434-1: Libidn vulnerability
USN-3435-1: Firefox vulnerabilities