A free email application from Mozilla that`s easy to set up and customize

Thunderbird for Mac

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Download Thunderbird 52.8.0

Thunderbird 52.8.0

  -  75.8 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 52.8.0.


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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If you have any questions or ideas that you want to share with us - head over to our Contact page and let us know. We value your feedback!

  • Thunderbird 52.8.0 Screenshots

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

What's new in this version:

Various security fixes:
- Backport critical security fixes in Skia
- Full plaintext recovery in S/MIME via chosen-ciphertext attack
- Use-after-free with SVG animations and clip paths
- Use-after-free with SVG animations and text paths
- Integer overflow and out-of-bounds write in Skia
- Hang via malformed headers
- Encrypted mail leaks plaintext through src attribute
- Filename spoofing for external attachments
- Lightweight themes can be installed without user interaction
- Buffer overflow during UTF-8 to Unicode string conversion through legacy extension
- Leaking plaintext through HTML forms
- Memory safety bugs fixed in Firefox 60, Firefox ESR 52.8, and Thunderbird 52.8

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