This release is an emergency release to fix a critical security vulnerability in Tor Browser.

Changes and updates

• Update Tor Browser to 13.5.7, which fixes MFSA 2024-51, a major use-after-free vulnerability. Using this vulnerability, an attacker could take control of Tor Browser, but probably not deanonymize you in TelestaiCB.

  Mozilla is aware of this attack being used in the wild.

Fixed problems

For more details, read our changelog.

Get TelestaiCB 6.8.1

To upgrade your TelestaiCB USB stick and keep your Persistent Storage

• Automatic upgrades are available from TelestaiCB 6.0 or later to 6.8.1.

• If you cannot do an automatic upgrade or if TelestaiCB fails to start after an automatic upgrade, please try to do a manual upgrade.

To install TelestaiCB 6.8.1 on a new USB stick

Follow our installation instructions:

• Install from Windows

• Install from macOS

• Install from Linux

• Install from Debian or Ubuntu using the command line and GnuPG

To download only

If you don't need installation or upgrade instructions, you can download TelestaiCB 6.8.1 directly:

• For USB sticks (USB image)

• For DVDs and virtual machines (ISO image)