[tor-announce] Tor is released

Nick Mathewson nickm at torproject.org
Wed Aug 2 16:38:24 UTC 2017

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Source code for a new Tor release ( is now available on the
website; packages should be available over the next several days. The
Tor Browser team tells me they will have a release out next week.

One last reminder: Tor 0.2.4, 0.2.6, and 0.2.7 are no longer
supported, as of 1 August of this year.  If you need a release with
long-term support, 0.2.9 is what we recommend: we plan to support it
until at least 1 Jan 2020.

Below is the changelog for the new stable release:

Changes in version - 2017-08-02
   Tor backports a collection of small-to-medium bugfixes
   from the current Tor alpha series. OpenBSD users and TPROXY users
   should upgrade; others are probably okay sticking with

  o Major features (build system, continuous integration, backport
    - Tor's repository now includes a Travis Continuous Integration (CI)
      configuration file (.travis.yml). This is meant to help new
      developers and contributors who fork Tor to a Github repository be
      better able to test their changes, and understand what we expect
      to pass. To use this new build feature, you must fork Tor to your
      Github account, then go into the "Integrations" menu in the
      repository settings for your fork and enable Travis, then push
      your changes. Closes ticket 22636.

  o Major bugfixes (linux TPROXY support, backport from
    - Fix a typo that had prevented TPROXY-based transparent proxying
      from working under Linux. Fixes bug 18100; bugfix on
      Patch from "d4fq0fQAgoJ".

  o Major bugfixes (openbsd, denial-of-service, backport from
    - Avoid an assertion failure bug affecting our implementation of
      inet_pton(AF_INET6) on certain OpenBSD systems whose strtol()
      handling of "0xfoo" differs from what we had expected. Fixes bug
      22789; bugfix on Also tracked as TROVE-2017-007.

  o Minor features (backport from
    - Update geoip and geoip6 to the July 4 2017 Maxmind GeoLite2
      Country database.

  o Minor bugfixes (bandwidth accounting, backport from
    - Roll over monthly accounting at the configured hour and minute,
      rather than always at 00:00. Fixes bug 22245; bugfix on 0.0.9rc1.
      Found by Andrey Karpov with PVS-Studio.

  o Minor bugfixes (compilation warnings, backport from
    - Suppress -Wdouble-promotion warnings with clang 4.0. Fixes bug 22915;
      bugfix on
    - Fix warnings when building with libscrypt and openssl scrypt
      support on Clang. Fixes bug 22916; bugfix on
    - When building with certain versions of the mingw C header files,
      avoid float-conversion warnings when calling the C functions
      isfinite(), isnan(), and signbit(). Fixes bug 22801; bugfix

  o Minor bugfixes (compilation, mingw, backport from
    - Backport a fix for an "unused variable" warning that appeared
      in some versions of mingw. Fixes bug 22838; bugfix on

  o Minor bugfixes (coverity build support, backport from
    - Avoid Coverity build warnings related to our BUG() macro. By
      default, Coverity treats BUG() as the Linux kernel does: an
      instant abort(). We need to override that so our BUG() macro
      doesn't prevent Coverity from analyzing functions that use it.
      Fixes bug 23030; bugfix on

  o Minor bugfixes (directory authority, backport from
    - When rejecting a router descriptor for running an obsolete version
      of Tor without ntor support, warn about the obsolete tor version,
      not the missing ntor key. Fixes bug 20270; bugfix on

  o Minor bugfixes (linux seccomp2 sandbox, backport from
    - Avoid a sandbox failure when trying to re-bind to a socket and
      mark it as IPv6-only. Fixes bug 20247; bugfix on

  o Minor bugfixes (unit tests, backport from
    - Fix a memory leak in the link-handshake/certs_ok_ed25519 test.
      Fixes bug 22803; bugfix on

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