Tor Browser 6.0.5

Tor Browser Bundle

Protect your privacy. Defend yourself against network surveillance and traffic analysis.

Tor is a network of virtual tunnels that allows people and groups to improve their privacy and security on the Internet. The Tor software protects you by bouncing your communications around a distributed network of relays run by volunteers all around the world: it prevents somebody from watching your Internet connection and learning what sites you visit, it prevents the sites you visit from learning your physical location, and it lets you access sites which are blocked.

The Tor Browser Bundle lets you use Tor on Windows, Mac OS X, or Linux without needing to install any software. It can run off a USB flash drive, comes with a pre-configured web browser to protect your anonymity, and is self-contained.

Tor Browser 6.0.5 changes:

  • This release features important security updates to Firefox including the recently disclosed extension update vulnerability. All users should upgrade as soon as possible. That vulnerability allows an attacker who is able to obtain a valid certificate for to impersonate Mozilla's servers and to deliver a malicious extension update, e.g. for NoScript. This could lead to arbitrary code execution. Moreover, other built-in certificate pinnings are affected as well. Obtaining such a certificate is not an easy task, but it's within reach of powerful adversaries (e.g. nation states).
  • Apart from fixing Firefox vulnerabilities this release comes with a new Tor stable version (, an updated HTTPS-Everywhere (5.2.4), and fixes minor bugs.

Here is the full changelog since Tor Browser 6.0.4:

All Platforms

  • Update Firefox to 45.4.0esr
  • Update Tor to
  • Update Torbutton to
  • Bug 18589: Clear site security settings during New Identity
  • Bug 19906: "Maximizing Tor Browser" Notification can exist multiple times
  • Update HTTPS-Everywhere to 5.2.4
  • Bug 20092: Rotate ports for default obfs4 bridges
  • Bug 20040: Add update support for unpacked HTTPS Everywhere


  • Bug 19725: Remove old updater files left on disk after upgrade to 6.x


  • Bug 19725: Remove old updater files left on disk after upgrade to 6.x


  • Bug 19706: Store browser data in the app home directory

Build system - All platforms

  • Upgrade Go to 1.4.3

Download: Tor Browser 6.0.5 | 47.5 MB (Open Source)
View: Tor Browser Website | Other Systems

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