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Thunderbird for Mac

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Download Thunderbird 31.7.0

Thunderbird 31.7.0

  -  57.59 MB  -  Open Source

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system. Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of Thunderbird 31.7.0.


For those interested in downloading the most recent release of Thunderbird for Mac or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


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  • Thunderbird 31.7.0 Screenshots

    The images below have been resized. Click on them to view the screenshots in full size.

What's new in this version:

Security fixes:
- Privilege escalation through IPC channel messages
- Buffer overflow when parsing compressed XML
- Use-after-free during text processing with vertical text enabled
- Buffer overflow with SVG content and CSS
- Buffer overflow parsing H.264 video with Linux Gstreamer
- Miscellaneous memory safety hazards (rv:38.0 / rv:31.7)

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