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

Firefox for Mac

Firefox 3.0.12

  -  17.3 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 3.0.12.


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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  • Firefox 3.0.12 Screenshots

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    Firefox 3.0.12 Screenshot 1
  • Firefox 3.0.12 Screenshot 2
  • Firefox 3.0.12 Screenshot 3
  • Firefox 3.0.12 Screenshot 4
  • Firefox 3.0.12 Screenshot 5

What's new in this version:

- MFSA 2009-40 Multiple cross origin wrapper bypasses
- MFSA 2009-39 setTimeout loses XPCNativeWrappers
- MFSA 2009-37 Crash and remote code execution using watch and __defineSetter__ on SVG element
- MFSA 2009-36 Heap/integer overflows in font glyph rendering libraries
- MFSA 2009-35 Crash and remote code execution during Flash player unloading
- MFSA 2009-34 Crashes with evidence of memory corruption (rv:1.9.1/1.9.0.12)