Firefox ESR 140.8 released

[Donal Meehan]

We are pleased to announce that the Firefox ESR 140.8 release is now
available for download at https://www.firefox.com/download/all/desktop-esr/.

Release notes for Firefox 140.8.0esr are available at
https://www.firefox.com/firefox/140.8.0/releasenotes/.
Associated security advisories are posted at:
https://www.mozilla.org/security/advisories/mfsa2026-15/

Firefox ESR 115.33.0 is also now available for Windows 7-8.1 and macOS
10.12-10.14 users per the previously-announced window of extended security
support for that release.

Release notes for Firefox 115.33.0esr are available at
https://www.firefox.com/firefox/115.33.0/releasenotes/.
Associated security advisories are posted at:
https://www.mozilla.org/security/advisories/mfsa2026-14/

As always, we recommend that users keep up to date with the newest version of
Firefox ESR for the latest stability and security fixes.

Thank you,

Donal Meehan,
Firefox Release Manager