Download Mozilla Firefox 111 + 102.9.0 ESR With Built-In Relay Email Mask Management

Mozilla Firefox version 111.0 is now available to download. You can also update to the latest version if you already have Firefox installed on your PC.

This update makes minor changes to the browser in terms of new features. However, it does address 13 security vulnerabilities, out of which 7 are deemed of high impact.

The highlight of this update is that users can now create Relay email masks directly from the built-in credential/password manager in Firefox.

Let us take a closer look at what this release offers before getting to the downloads.

Mozilla Firefox 111 Release Summary

• Complete Release Build: 111.0
• Release Date: Tuesday, March 14th, 2023
• Compatibility: Windows 11, 10, 8.1, 8, 7 (32-bit and 64-bit), Linux, MacOS, iOS, and Android.
• Previous Build: Firefox 110.0

New in Firefox 111

Features and Improvements

The following list of updates is introduced in Firefox 111:

• Windows notifications are now enabled by default.
• Firefox Relay users can now create relay email masks directly from the Firefox Login Manager. This would require the user to be signed in using a Firefox account.
• New language files for Friulian (fur) and Sardinian (sc) have been introduced.

Security Updates

The following list of vulnerabilities has been addressed in Firefox version 111:

1. CVE-2023-28159 – Fullscreen Notification could have been hidden by download popups on Android
2. CVE-2023-25748 – Fullscreen Notification could have been hidden by window prompts on Android
3. CVE-2023-25749 – Firefox for Android may have opened third-party apps without a prompt
4. CVE-2023-25750 – Potential ServiceWorker cache leak during private browsing mode
5. CVE-2023-25751 – Incorrect code generation during JIT compilation
6. CVE-2023-28160 – Redirect to Web Extension files may have leaked the local path
7. CVE-2023-28164 – URL being dragged from a removed cross-origin iframe into the same tab triggered navigation
8. CVE-2023-28161 – One-time permissions granted to a local file were extended to other local files loaded in the same tab
9. CVE-2023-28162 – Invalid downcast in Worklets
10. CVE-2023-25752 – Potential out-of-bounds when accessing throttled streams
11. CVE-2023-28163 – Windows Save As dialog resolved environment variables
12. CVE-2023-28176 – Memory safety bugs fixed in Firefox 111 and Firefox ESR 102.9
13. CVE-2023-28177 – Memory safety bugs fixed in Firefox 111

Update to Firefox 111

If you already have Mozilla Firefox installed on your computer, then updating it would be easy. Follow the guide below to update your existing Chrome browser to version 111.0.

1. Launch Firefox and click on the 3 lines in the top-right corner, then click Help.

   

2. Click “About Firefox.”

   

   You will now see a pop-up window that will automatically begin searching for an available update and install it.

3. Once installed, click “Restart to Update Firefox.”

   Note: The browser closes when you click Relaunch and then reopens, restoring all closed tabs.

   

4. Verify that the browser has been updated by returning to the About Firefox pop-up.

   

Download Mozilla Firefox 111

The download links given below are for the English version of Mozilla Firefox version 111. If you want to download Firefox 111 in another language, or for any other platform, you may get the link from here.

For Windows

Download Firefox 111 64-bit (exe) offline installer [56 MB]

Download Firefox 111 64-bit (msi) offline installer [56 MB]

Download Firefox 111 32-bit (exe) offline installer [53 MB]

Download Firefox 111 32-bit (msi) offline installer [54 MB]

For MacOS

Download Firefox 111 for MacOS (dmg) [127 MB]

Download Firefox 111 for MacOS (pkg) [134 MB]

For Linux

Download Firefox 111 for Linux (tar.bz2) [76 MB]

For Android

Download Firefox 111 for Android

For iOS

Download Firefox 111 for iPhone/iOS

Download Mozilla Firefox 102.9.0 ESR

The download links given below are for the English version of Mozilla Firefox version 102.9.0 Extended Stable Release (ESR). These versions are supported for a longer duration than the standard versions.

If you want to download Firefox 102.9.0 in another language, or for any other platform, you may get the link from here.

For Windows

Download Firefox 102.9.0 ESR 64-bit (exe) offline installer [53 MB]

Download Firefox 102.9.0 ESR 64-bit (msi) offline installer [54 MB]

Download Firefox 102.9.0 ESR 32-bit (exe) offline installer [51 MB]

Download Firefox 102.9.0 ESR 32-bit (msi) offline installer [52 MB]

For MacOS

Download Firefox 102.9.0 ESR for MacOS (dmg) [122 MB]

Download Firefox 102.9.0 ESR for MacOS (pkg) [128 MB]

For Linux

Download Firefox 102.9.0 ESR for Linux (tar.bz2) [74 MB]

Install Firefox 111/102.9 ESR

The following method is a guide for installing Mozilla Firefox on a Windows computer. Installing it on macOS and Linux devices would not be so different.

If you already have Firefox installed on your computer, then installing it again using a downloaded package would automatically upgrade the existing version.

1. Download the setup file from above and run it.

   The installation wizard will now launch.

2. Click Next.

   

3. Select “Standard” installation and then click Next.

   

4. Leave the default location and then click Install/Upgrade.

   

   The browser will now install.

5. When completed, click Finish.

   

Firefox will now be installed/updated to version 111.

Uninstall Mozilla Firefox

If you feel like removing Firefox from your PC, simply follow these steps:

1. Open the Programs & Features applet by typing in “appwiz.cpl” in the Run Command box.

   

2. Double-click “Mozilla Firefox” to uninstall it.

   

   The uninstallation wizard will now open.

3. Click Next.

   

4. Click Uninstall.

   

   The wizard will now remove Firefox.

5. When removed, close the wizard by clicking Finish.

   

Firefox will now be removed from your computer.

Mozilla Firefox Changelog History

Firefox Version	Release Date	Features
Firefox 111	14-Mar-23	Windows notifications are now enabled by default, Firefox Relay users can create relay email masks from the Firefox credential manager.
Firefox 110	14-Feb-23	GPU Sandboxing, block third-party module injection, import data from Opera, Opera GX, and Vivaldi browsers.
Firefox 109	16-Jan-23	Support for Manifest V3 extensions, unified extensions button in the toolbar.
Firefox 108	13-Dec-22	Background tab efficiency mode integration for Windows 11, import maps, support to use Shift + Esc shortcut keys to open the Process Manager.
Firefox 107	15-Nov-22	Improved performance, Power profiling support on Linux and Mac devices.
Firefox 106	17-Oct-22	PDF Annotations, WebRTC improvements, and a welcome screen for initial setup.
Firefox 105	20-Sep-22	Performance improvements, retracted 2-finger swipe feature, option to print the current page only.

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