No update was released for Firefox ESR which remains at version 38.3.0.
Fixed in Firefox 41.0.2
- 2015-115 -- Cross-origin restriction bypass using Fetch
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.
Remember - "A day without laughter is a day wasted."
May the wind sing to you and the sun rise in your heart...