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[tor-announce] [RELEASE] Tor 0.4.8.21 stable



Greetings,

We have another stable fixing more security issues. See announcement:
https://forum.torproject.org/t/stable-release-0-4-8-21/20817

Here is the ChangeLog.

Changes in version 0.4.8.21 - 2025-11-17
  This release is a continuation of the previous one and addresses additional
  Conflux-related issues identified through further testing and feedback from
  relay operators. We strongly recommend upgrading as soon as possible.

  o Major bugfixes (conflux, exit):
    - When dequeuing out-of-order conflux cells, the circuit could be
      close in between two dequeue which could lead to a mishandling of
      a NULL pointer. Fixes bug 41162; bugfix on 0.4.8.4.

  o Minor feature (compiler flag):
    - Add -mbranch-protection=standard for arm64.

  o Minor features (fallbackdir):
    - Regenerate fallback directories generated on November 17, 2025.

  o Minor features (geoip data):
    - Update the geoip files to match the IPFire Location Database, as
      retrieved on 2025/11/17.

  o Minor bugfixes (bridges, pluggable transport):
    - Fix a bug causing the initial tor process to hang intead of
      exiting with RunAsDaemon, when pluggable transports are used.
      Fixes bug 41088; bugfix on 0.4.8.1-alpha.

Cheers!
David

-- 
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