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You are here: Known Vulnerabilities in Mozilla Products (Thunderbird 0.9) > MFSA 2005-10

Mozilla Foundation Security Advisory 2005-10

Title: javascript: links in Thunderbird launch Internet Explorer
Severity: Moderate to Critical
Reporter: Tom Braun
Products: Thunderbird

Fixed in: Thunderbird 0.9

Description

Clicking on javascript: links in Thunderbird launched the default handler for that scheme registered with the OS. On the Windows operating system Internet Explorer is the default handler for the javascript: scheme even when Firefox is the default browser.

The risk associated with this depends on vulnerabilities in the installed version of Internet Explorer.

Workaround

Upgrade to the fixed version

References

https://bugzilla.mozilla.org/show_bug.cgi?id=263546