One of the World's Most Popular Web Browsers for Windows

Firefox (32-bit)

Firefox 1.5.0.9

  -  4.9 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 Firefox 1.5.0.9.


For those interested in downloading the most recent release of Firefox (32-bit) 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 1.5.0.9 Screenshots

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    Firefox 1.5.0.9 Screenshot 1
  • Firefox 1.5.0.9 Screenshot 2
  • Firefox 1.5.0.9 Screenshot 3
  • Firefox 1.5.0.9 Screenshot 4
  • Firefox 1.5.0.9 Screenshot 5

What's new in this version:

Various security and stability fixes
- MFSA 2006-75 RSS Feed-preview referrer leak
- MFSA 2006-73 Mozilla SVG Processing Remote Code Execution
- MFSA 2006-72 XSS by setting img.src to javascript: URI
- MFSA 2006-71 LiveConnect crash finalizing JS objects
- MFSA 2006-70 Privilege escallation using watch point
- MFSA 2006-69 CSS cursor image buffer overflow (Windows only)
- MFSA 2006-68 Crashes with evidence of memory corruption (rv:1.8.0.9/1.8.1.1)