Firefox Updated to Version 39.0.3 Due to Critical Vulnerability

Mozilla sent Version 39.0.3 to the release channel due to a critical vulnerability in Firefox's PDF Viewer to search for sensitive files on users' local file systems.  Additional information about the vulnerability is available in the Mozilla Security Blog.

The update includes one (1) critical security update. Firefox ESR version has been updated to 38.1.1. 

Fixed in Firefox 39.0.3

• 2015-78 Same origin violation and local file stealing via PDF reader

Known Issues

No known issues are reported.

Update

To get the update now, select "Help" from the Firefox menu at the upper left of the browser window, then pick "About Firefox."  Mac users need to select "About Firefox" from the Firefox menu. If you do not use the English language version, Fully Localized Versions are available for download.

References

• Common questions after updating Firefox
• Security Updates
• Mozilla Firefox Release Notes
• Bug Fixes 

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