Jerry Baker

**Name of the Vulnerable Software and Affected Versions** Mozilla Firefox versions prior to 18.0 Firefox ESR 17.x versions prior to 17.0.2 Thunderbird versions prior to 17.0.2 Thunderbird ESR 17.x versions prior to 17.0.2 SeaMonkey versions prior to 2.15 **Description** The issue allows remote attackers to execute arbitrary code via crafted data, such as e-mail message data, due to the lack of thread safety for SSL sessions in the `nsSOCKSSocketInfo::ConnectToProxy` function. **Recommendations** For Mozilla Firefox versions prior to 18.0, update to version 18.0 or later. For Firefox ESR 17.x versions prior to 17.0.2, update to version 17.0.2 or later. For Thunderbird versions prior to 17.0.2, update to version 17.0.2 or later. For Thunderbird ESR 17.x versions prior to 17.0.2, update to version 17.0.2 or later. For SeaMonkey versions prior to 2.15, update to version 2.15 or later.