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Mozilla Firefox

v159.0.1
Mozilla Foundation Verified publisher

A fast, independent browser that protects your privacy

Open source MPL-2.0 Security 62 Health 85

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DMG · universal · — — from download-installer.cdn.mozilla.net

SHA-256 checksum available

Update confidence: Medium

Latest release 159.0.1

Mixed signals — read the reasons before updating.

  • Released days ago: 8.
  • No newer version was withdrawn.
  • Only some files have a publisher checksum.
  • Signatures could not be checked.
  • No open report about this release.
  • No vulnerability feed for this software.
  • Based on stored facts about this release; it is a guide, not a guarantee.
Latest
159.0.1
Licence
Open source
Verification
SHA-256
Platforms
Windows, Linux, macOS, Android, iOS & iPadOS

About ⁨Mozilla Firefox⁩

Firefox is the open-source browser from the non-profit Mozilla Foundation, with built-in tracking protection, end-to-end encrypted sync and a large add-on ecosystem.
Privacy protection Cross-device sync Extensions / plugins Open source
Platforms
Windows, Linux, macOS, Android, iOS & iPadOS
Licence
Open source (MPL-2.0) — source code is public under an open-source licence; free to use, study and share.

Official downloads

· via Homebrew

Release source
FileSizeVerification
Linux · any · FLATPAK
org.mozilla.firefox.flatpakref — dl.flathub.org
— No checksum published
Scan pending Signature not verified
Download Not scanned
macOS · universal · DMG Best for you
Firefox%20159.0.1.dmg — download-installer.cdn.mozilla.net
—
0c214da4439c1eb4cea28a3c141ff112d511aa32c67f9d12e91116569c8d8dda
SHA-256 · published by the publisher / package manifest
Scan pending Signature not verified
Download Not scanned

Clicking “Download” takes you straight to the file on the publisher's official server. Verify the SHA-256 before running it: on Windows «Get-FileHash file», on macOS / Linux «shasum -a 256 file».

Install guide

The best way to install, update and remove this program on your system, from the official source.

Install from the official app store using the buttons above.

Security & project health

Trust Network profile of Mozilla Firefox: verified levels 1 of 5

Security

62

How trustworthy the source and files are: verified publisher, checksums, HTTPS, official host, signature, scan, links and known vulnerabilities.

  • Verified publisher20/20
  • SHA-256 checksums0/15
  • HTTPS downloads10/10
  • Official download host0/10
  • Code signature5/10
  • File scan7/15
  • Working links5/5
  • No open vulnerabilities15/15

Health

85

Is the project alive? Release recency and cadence, community, maintenance status and data completeness.

  • Recent release35/35
  • Releases in the last 12 months15/20
  • Community10/20
  • Actively maintained15/15
  • Complete information10/10

Known vulnerabilities

Vulnerability tracking is not configured for this program yet.

Support cycles

CycleLatestEnd of lifeStatus
160 160.024 Nov 2026 Supported
159 159.0.110 Nov 2026 Support ended
158 158.0.127 Oct 2026 Support ended
157 157.0.113 Oct 2026 Support ended
156 156.0.129 Sep 2026 Support ended
155 155.0.115 Sep 2026 Support ended

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Mozilla Firefox

From the official source · download-installer.cdn.mozilla.net

Download for macOS

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