Update Tor is released!

Discussion in 'VPN and Privacy' started by Flengo, Dec 14, 2017.

  1. Flengo

    Flengo Level 1

    Oct 19, 2017
    Official Website:
    Release Notes:
    Build version:
    Beta releases may be unstable and contain unreported bugs
    Tor fixes various bugs in earlier versions of Tor, including some that could affect reliability or correctness.
    This is the first release candidate in the 0.3.2 series. If we find no new bugs or regression here, then the first stable 0.3.2. release will be nearly identical to this.
    You can download the source from the usual place on the website. Binary packages should be available soon, with a Tor Browser alpha release likely some time next week.
    Changes in version - 2017-12-14

    • Major bugfixes (circuit prediction):
      • Fix circuit prediction logic so that a client doesn't treat a port as being "handled" by a circuit if that circuit already has isolation settings on it. This change should make Tor clients more responsive by improving their chances of having a pre-created circuit ready for use when a request arrives. Fixes bug 18859; bugfix on
    • Minor features (logging):
      • Provide better warnings when the getrandom() syscall fails. Closes ticket 24500.

    • Minor features (portability):
      • Tor now compiles correctly on arm64 with libseccomp-dev installed. (It doesn't yet work with the sandbox enabled.) Closes ticket 24424.
    • Minor bugfixes (bridge clients, bootstrap):
      • Retry directory downloads when we get our first bridge descriptor during bootstrap or while reconnecting to the network. Keep retrying every time we get a bridge descriptor, until we have a reachable bridge. Fixes part of bug 24367; bugfix on
      • Stop delaying bridge descriptor fetches when we have cached bridge descriptors. Instead, only delay bridge descriptor fetches when we have at least one reachable bridge. Fixes part of bug 24367; bugfix on
      • Stop delaying directory fetches when we have cached bridge descriptors. Instead, only delay bridge descriptor fetches when all our bridges are definitely unreachable. Fixes part of bug 24367; bugfix on
    • Minor bugfixes (compilation):
      • Fix a signed/unsigned comparison warning introduced by our fix to TROVE-2017-009. Fixes bug 24480; bugfix on
    • Minor bugfixes (correctness):
      • Fix several places in our codebase where a C compiler would be likely to eliminate a check, based on assuming that undefined behavior had not happened elsewhere in the code. These cases are usually a sign of redundant checking or dubious arithmetic. Found by Georg Koppen using the "STACK" tool from Wang, Zeldovich, Kaashoek, and Solar-Lezama. Fixes bug 24423; bugfix on various Tor versions.
    • Minor bugfixes (onion service v3):
      • Fix a race where an onion service would launch a new intro circuit after closing an old one, but fail to register it before freeing the previously closed circuit. This bug was making the service unable to find the established intro circuit and thus not upload its descriptor, thus making a service unavailable for up to 24 hours. Fixes bug 23603; bugfix on
    • Minor bugfixes (scheduler, KIST):
      • Properly set the scheduler state of an unopened channel in the KIST scheduler main loop. This prevents a harmless but annoying log warning. Fixes bug 24502; bugfix on
      • Avoid a possible integer overflow when computing the available space on the TCP buffer of a channel. This had no security implications; but could make KIST allow too many cells on a saturated connection. Fixes bug 24590; bugfix on
      • Downgrade to "info" a harmless warning about the monotonic time moving backwards: This can happen on platform not supporting monotonic time. Fixes bug 23696; bugfix on
    Oxygen and harlan4096 like this.
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