Mozilla Thunderbird < 10.0

The version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 10.0. It is, therefore, affected by a vulnerability as referenced in the mfsa2012-06 advisory. - Mozilla Firefox 4.x through 9.0, Thunderbird 5.0 through 9.0, and SeaMonkey before 2.7 do not properly initialize...

thunderbird: firefox: Cross-process information leaked due to malicious IPC messages

A flaw was found in Thunderbird and Firefox. The Mozilla Foundation's Security Advisory describes the following issue: A compromised web process using malicious IPC messages could have caused the privileged browser process to reveal blocks of its memory to the compromised process...