What do the badges show for Firefox?

ReleaseRun badges display real-time version freshness, end-of-life status, CVE vulnerability counts, and an overall health score for Firefox releases.

How do I embed a Firefox badge in my README?

Use the embed builder above to select your version and badge type, then copy the generated Markdown or HTML snippet into your README.

How often is Firefox badge data updated?

Badge data refreshes every 6 hours from endoflife.date and NIST NVD. Badges are cached for 5 minutes at the CDN edge.

Can I customize the badge style?

Yes, append ?style=flat-square or ?style=for-the-badge to the badge URL. The embed builder lets you preview all available styles.

Release Badges

ReleaseRun Badges for Firefox

Live version freshness, EOL status, CVE counts, and health badges for Firefox. Embed in your README, docs, or dashboard.

Live Badges

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Why Use Firefox Health Badges?

Firefox is a core technology in browser extension and web compatibility testing across thousands of production systems. Firefox ESR versions have a defined 12-month support window. A health badge embedded in your README or dashboard shows at a glance whether your version is still supported — without manual changelog hunting.

ReleaseRun’s Firefox health badges give JavaScript teams a live signal that updates automatically as new versions ship. Paste one line of Markdown and your badge is live.

What Firefox Badges Track

EOL status — is your Firefox version still receiving patches from Mozilla?
Latest stable version — always shows the current release so your team can plan upgrades
Security status — flags versions with known CVEs or no active security support
Release age — highlights how far behind your pinned version is

How to Add a Firefox Badge

Copy the Markdown snippet below and paste it into your project README. The badge updates automatically — no CI step, no token, no install.

[![Firefox Version](https://releaserun.com/badge/firefox/)](https://releaserun.com/eol/firefox/)

You can also embed as an HTML <img> tag in wikis, Notion docs, or internal dashboards. See the badge builder for custom styles and sizes.

Who Needs Firefox Badges?

Any team running Firefox in production benefits from a visible health indicator. That includes open-source maintainers who want contributors to know the project is current, platform teams managing internal services, and security engineers who need a quick EOL audit across a microservices fleet.

If your organisation runs multiple Firefox projects, ReleaseRun’s stack health checker gives you a single-page overview of every version across your entire stack.

Start Monitoring Firefox Today

Head to the ReleaseRun Firefox EOL page to see the full version support timeline, or use the badge builder to generate a customised badge for your project. No signup required.

Firefox Versions

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Security Overview

CVE vulnerability data is sourced from the NIST National Vulnerability Database (NVD) and refreshed every 6 hours.

Check specific version CVEs using the badge builder above or visit our Firefox hub page for detailed security analysis.

Upgrade Guidance

Running an older version of Firefox? Here's what to consider when planning your upgrade:

Check breaking changes in release notes
Review EOL dates for your current version
Test in staging before production rollout
Consider LTS versions for stability

See the official Firefox documentation for detailed upgrade instructions.

Version Comparison

Not sure which Firefox version to use? Compare versions side by side.

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Embed Builder

Usage Guide

Copy any snippet below to embed a Firefox health badge in your project.

Markdown

[![Firefox Health](https://img.releaserun.com/badge/health/firefox.svg)](https://releaserun.com/firefox/)

HTML

<a href="https://releaserun.com/firefox/"><img src="https://img.releaserun.com/badge/health/firefox.svg" alt="Firefox Health"></a>

reStructuredText

.. image:: https://img.releaserun.com/badge/health/firefox.svg
   :target: https://releaserun.com/firefox/
   :alt: Firefox Health

Data updated daily 00:00 UTC

Data sources: endoflife.date (version lifecycle), NIST NVD (CVE data)

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Frequently Asked Questions

What do the badges show for Firefox?: ReleaseRun badges display real-time version freshness, end-of-life status, CVE vulnerability counts, and an overall health score for Firefox releases.
How do I embed a Firefox badge in my README?: Use the embed builder above to select your version and badge type, then copy the generated Markdown or HTML snippet into your README.
How often is Firefox badge data updated?: Badge data refreshes every 6 hours from endoflife.date and NIST NVD. Badges are cached for 5 minutes at the CDN edge.
Can I customize the badge style?: Yes, append ?style=flat-square or ?style=for-the-badge to the badge URL. The embed builder lets you preview all available styles.