Ubuntu Security Notice 1821-1 - It was discovered that telepathy-idle did not perform any server certificate validation when using SSL connections. If a remote attacker were able to perform a man-in-the-middle attack, this flaw could be exploited to alter or compromise confidential information.
8d0275c4a079fe02c4c7561d0682e8350f2fa40ffcef00bc1cf6a6ead978a90a