Mozilla Firefox 39.0.3 officially released

Mozilla Firefox 39.0.3 for desktop had been released and available for download and install. This latest release is a bugfix to address a security bug reported by Cody Crews “Same origin violation and local file stealing via PDF reader”. Its been identified that there is a way to violate the same origin policy and inject script into a non-privileged part of the built-in PDF Viewer. This would allow an attacker to read and steal sensitive local files on the victim’s computer.

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Mozilla Firefox 39.0 changelog

NEW

  • Share Hello URLs with social networks
  • Project Silk: Smoother animation and scrolling (Mac OS X)
  • Support for new Unicode 8.0 skin tone emoji
  • SafeBrowsing malware detection lookups enabled for downloads (Mac OS X and Linux)
  • Support for ‘switch’ role in ARIA 1.1 (web accessibility)

CHANGED

  • Removed support for insecure SSLv3 for network communications
  • Performance of displaying dashed lines is improved (Mac OS X)
  • Malware detection service for downloads now covers common Mac file types

HTML5

  • Added support for CSS Scroll Snap Points
  • Enable the Fetch API for network requests from dedicated, shared and service workers
  • Implemented allowing anticipation of a future connection without revealing any information
  • List-style-type now accepts a string value
  • Cascading of CSS transitions and animations now matches the current spec

DEVELOPER

  • Drag and drop enabled for nodes in Inspector markup view
  • Cubic bezier tooltip now shows a gallery of timing-function presets for use with CSS animations
  • localhost is now available offline for WebSocket connections
  • Web Console input history persists even after closing the toolbox

FIXED

  • Fix incomplete downloads being marked as complete by detecting broken HTTP1.1 transfers
  • Fixed an issue where a Hello conversation window would sometimes fail to open
  • A regression that could lead to Flash not displaying has been fixed
  • Improve performance of IPv6 fallback to IPv4
  • Security state indicator on a page now correctly ignores loads caused by previous pages

Install Mozilla Firefox 39.0.3 on Ubuntu OS

32bit OS

wget ftp.mozilla.org/pub/mozilla.org/firefox/releases/39.0.3/linux-i686/en-US/firefox-39.0.3.tar.bz2

tar -xjvf firefox-39.0.3.tar.bz2

sudo rm -rf /opt/firefox*

sudo mv firefox /opt/firefox

sudo ln -sf /opt/firefox/firefox /usr/bin/firefox

64bit OS

wget ftp.mozilla.org/pub/mozilla.org/firefox/releases/39.0.3/linux-x86_64/en-US/firefox-39.0.3.tar.bz2

tar -xjvf firefox-39.0.3.tar.bz2

sudo rm -rf /opt/firefox*

sudo mv firefox /opt/firefox

sudo ln -sf /opt/firefox/firefox /usr/bin/firefox
 
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