CVE-2008-1380: The JavaScript engine in Mozilla Firefox before 2.0.0.14, Thunderbird before 2.0.0.14, and SeaMonkey before...

Security readout for executives and security teams

This is an old Mozilla JavaScript engine flaw affecting Firefox, Thunderbird, and SeaMonkey releases from 2008. A malicious web page could crash the application, creating a denial-of-service risk. The sources also say other impacts were possible, but they do not prove code execution or active exploitation. Exposure is mainly legacy systems still running the affected Mozilla applications or old distribution packages. Typical exposure would come from users opening untrusted web content in vulnerable clients. Modern managed desktops are unlikely to be exposed unless old software remains installed. Treat this as a legacy-software cleanup issue unless vulnerable clients are still deployed. Prioritize removal or upgrade where found, especially on systems used for browsing or processing external content. Mitigation focus: Upgrade Firefox to 2.0.0.14 or later if still present.; Upgrade Thunderbird to 2.0.0.14 or later if still present.; Upgrade SeaMonkey to 1.1.10 or later if still present..

Prepared

Jun 28, 2026, 19:09 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.