Ubuntu Security Notice 2547-1 – It was discovered that the Mono TLS implementation was vulnerable to the SKIP-TLS vulnerability. A remote attacker could possibly use this issue to perform client impersonation attacks. It was discovered that the Mono TLS implementation was vulnerable to the FREAK vulnerability. A remote attacker or a man in the middle could possibly use this issue to force the use of insecure ciphersuites. Various other issues were also addressed.