One of the World`s Most Popular Web Browsers for Mac

Firefox for Mac

Firefox 3.5.9

  -  17.68 MB  -  Freeware

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 Firefox 3.5.9.


For those interested in downloading the most recent release of Firefox 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!

  • Firefox 3.5.9 Screenshots

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    Firefox 3.5.9 Screenshot 1
  • Firefox 3.5.9 Screenshot 2
  • Firefox 3.5.9 Screenshot 3
  • Firefox 3.5.9 Screenshot 4
  • Firefox 3.5.9 Screenshot 5

What's new in this version:

- MFSA 2010-24 XMLDocument::load() doesn't check nsIContentPolicy
- MFSA 2010-23 Image src redirect to mailto: URL opens email editor
- MFSA 2010-22 Update NSS to support TLS renegotiation indication
- MFSA 2010-20 Chrome privilege escalation via forced URL drag and drop
- MFSA 2010-19 Dangling pointer vulnerability in nsPluginArray
- MFSA 2010-18 Dangling pointer vulnerability in nsTreeContentView
- MFSA 2010-17 Remote code execution with use-after-free in nsTreeSelection
- MFSA 2010-16 Crashes with evidence of memory corruption (rv:1.9.2.2/ 1.9.1.9/ 1.9.0.19)