Firefox 19 brings PDF viewer and 4 critical security fixes

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The latest release of Mozilla's Firefox open source web browser, version 19, brings few new features but does close four critical security holes. The release notes list only the arrival of PDF.js, the PDF viewer written in JavaScript, as a new feature. This, it is hoped, should reduce users' exposure to malicious PDF documents which exploit third party PDF reader plugins to get access to the underlying operating system.

Alongside improvements in startup performance, the desktop version of Firefox 19 also adds, disabled by default, an experimental Remote Web Console.

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