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Firefox 28.0

  -  24 MB  -  Open Source
Free Download

Security Status

  • Latest Version

    Firefox 133.0 (32-bit)

  • Operating System

    Windows XP / XP64 / Vista / Vista64 / Windows 7 / Windows 7 64 / Windows 8 / Windows 8 64

  • User Rating

    Click to vote

  • Author / Product

    Mozilla Organization / External Link

  • Filename

    Firefox Setup 28.0.exe

  • MD5 Checksum

    d9beca9ec52f2c7a038c9b771b174fcb

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 28.0.


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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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!

Download Firefox 28.0

  • Firefox 28.0 Screenshots

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    Firefox 28.0 Screenshot 1
  • Firefox 28.0 Screenshot 2
  • Firefox 28.0 Screenshot 3
  • Firefox 28.0 Screenshot 4
  • Firefox 28.0 Screenshot 5

What's new in this version:

- NEW: VP9 video decoding implemented
- NEW: Horizontal HTML5 audio/video volume control
- NEW: Support for Opus in WebM
- CHANGED: Now that spdy/3 is implemented support for spdy/2 has been removed and servers without spdy/3 will negotiate to http/1 without any penalty
- DEVELOPER: Support for MathML 2.0 'mathvariant' attribute
- DEVELOPER: Background thread hang reporting
- DEVELOPER: Support for multi-line flexbox in layout Security fixes:
- Out-of-bounds write through TypedArrayObject after neutering
- MFSA 2014-31 Out-of-bounds read/write through neutering ArrayBuffer objects
- MFSA 2014-30 Use-after-free in TypeObject
- MFSA 2014-29 Privilege escalation using WebIDL-implemented APIs
- MFSA 2014-28 SVG filters information disclosure through feDisplacementMap
- MFSA 2014-27 Memory corruption in Cairo during PDF font rendering
- MFSA 2014-26 Information disclosure through polygon rendering in MathML
- MFSA 2014-25 Firefox OS DeviceStorageFile object vulnerable to relative path escape
- MFSA 2014-24 Android Crash Reporter open to manipulation
- MFSA 2014-23 Content Security Policy for data: documents not preserved by session restore
- MFSA 2014-22 WebGL content injection from one domain to rendering in another
- MFSA 2014-21 Local file access via Open Link in new tab
- MFSA 2014-20 onbeforeunload and Javascript navigation DOS
- MFSA 2014-19 Spoofing attack on WebRTC permission prompt
- MFSA 2014-18 crypto.generateCRMFRequest does not validate type of key
- MFSA 2014-17 Out of bounds read during WAV file decoding
- MFSA 2014-16 Files extracted during updates are not always read only
- MFSA 2014-15 Miscellaneous memory safety hazards (rv:28.0 / rv:24.4)

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