# Install firefox@esr with Homebrew Cask

Web browser. Version 140.13.0 via Homebrew Cask; verified from local package data.

## Install

```sh
sudo av install cask:firefox@esr
```

Additional install commands:

### macOS

- Homebrew Cask (100%):

```sh
brew install --cask firefox@esr
```

  Evidence: local Homebrew cask metadata

## Package facts

- **Package key:** cask:firefox@esr
- **Package manager:** Homebrew Cask
- **Package manager page:** <https://formulae.brew.sh/cask/firefox@esr>
- **Version:** 140.13.0
- **Source summary:** Web browser
- **Homepage:** <https://www.mozilla.org/en-US/firefox/all/#product-desktop-esr>
- **Upstream docs:** <https://www.mozilla.org/en-US/firefox/all/#product-desktop-esr>
- **Source archive:** <https://download-installer.cdn.mozilla.net/pub/firefox/releases/140.13.0esr/mac/en-US/Firefox%20140.13.0esr.dmg>
- **Generated:** 2026-08-04T22:13:35+00:00

## Install behavior

- Post-install hook: not defined
- Bottle: not available

## Freshness

- Page generated: 2026-08-04
- Package-manager version: 140.13.0
- Local data: ok
- Upstream repository: https://www.mozilla.org/en-US/firefox/all/#product-desktop-esr
- info: No package-manager update timestamp was available.
- info: Release/tag comparison is only available for GitHub repositories.

## Security Notes

No matching local secret-handling manifest was found for firefox@esr. Package metadata is still published here so future coverage has a stable package URL.


## Source Database Details

- **Source Database:** Homebrew cask API
- **Tap:** homebrew/cask
- **Full Token:** firefox@esr
- **Names:** Mozilla Firefox ESR, Mozilla Firefox Extended Support Release
- **Conflicts With:** Cask: firefox, firefox@beta, firefox@cn
- **Artifacts:** App: 1, Target: 1, Uninstall: 1, Zap: 1
- **Auto Updates:** yes
- **Deprecated:** no
- **Disabled:** no


## Related links

- [Homebrew Cask packages](https://pkg.so/homebrew-cask-packages/) - Generated from Homebrew Cask package-manager metadata.
- [Homebrew Cask applications](https://pkg.so/homebrew-cask-applications/) - Cask artifact metadata includes an app bundle.

## Sources

- package-page enrichment
- package version freshness
- package relationship graph
- cross-ecosystem install command graph