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 IssuesNo known issues are reported.
UpdateTo 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.
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