The following updates has been released for Ubuntu Linux:
USN-3866-3: Ghostscript regressionGhostscript, GNOME Keyring, LDB, Firefox, Thunderbird Updates for Ubuntu
USN-3894-1: GNOME Keyring vulnerability
USN-3895-1: LDB vulnerability
USN-3896-1: Firefox vulnerabilities
USN-3897-1: Thunderbird vulnerabilities