Tor Browser 5.5.5 released

Tor Browser 5.5.5 recently released, comes with important security updates to firefox. This release updates Firefox to 38.8.0esr. Additionally, NoScript was bump to version and HTTPS-Everywhere to 5.1.6.

For those who may not know, Tor Browser is a network of servers that allows people to improve their privacy and security on the Internet. Tor Browser encrypts everything everything in the Tor network. Via the HTTPS-Everywhere extension, it also encrypts the traffic between the Tor network and the final destination.


Firefox ESR 38.8 Security fixes

  • Write to invalid HashMap entry through
  • Buffer overflow in libstagefright with CENC offsets
  • Miscellaneous memory safety hazards (rv:46.0 / rv:45.1 / rv:38.8)
  • Use-after-free during processing of DER encoded keys in NSS
  • Same-origin policy violation using performance.getEntries and history navigation with session restore
  • Use-after-free in NSS during SSL connections in low memory
  • Errors in mp_div and mp_exptmod cryptographic functions in NSS

Tor Browser 5.5.5 Changelog

  • All Platforms
    • Update Firefox to 38.8.0esr
    • Update Tor Launcher to
      • Bug 10534: Don’t advertise the help desk directly anymore
      • Translation updates
    • Update HTTPS-Everywhere to 5.1.6
    • Update NoScript to
    • Bug 18726: Add new default obfs4 bridge (GreenBelt)

Install Tor Browser 5.5.5 on Ubuntu 15.10 Wily Werewolf, Ubuntu 15.04 Vivid Vervet, Ubuntu 14.04 Trusty Tahr, Linux Mint 17.3 Rosa, Linux Mint 17.2 Rafaela, Linux Mint 17.1 Rebecca, Linux Mint 17 Qiana, Pinguy OS 14.04, Elementary OS 0.3 Freya, Deepin 2014, Peppermint 6, Peppermint 5, LXLE 14.04

sudo add-apt-repository ppa:webupd8team/tor-browser

sudo apt-get update

sudo apt-get install tor-browser
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