[tbb-bugs] #21908 [Applications/Tor Browser]: Tor Browser breaks response headers sometimes

[Tor Bug Tracker & Wiki]

#21908: Tor Browser breaks response headers sometimes
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     Reporter:  cypherpunks               |      Owner:  tbb-team
         Type:  defect                    |     Status:  new
     Priority:  Medium                    |  Milestone:
    Component:  Applications/Tor Browser  |    Version:
     Severity:  Normal                    |   Keywords:  tbb-security
Actual Points:                            |  Parent ID:
       Points:                            |   Reviewer:
      Sponsor:                            |
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 There are
 {{{
 Public-Key-Pins: An unknown error occurred processing the header specified
 by the site.
 }}}
 on
 https://check.torproject.org/torcheck/img/tor-on.png
 or
 https://trac.torproject.org/projects/tor/ticket/21886
 sometimes.
 The reason seems to be related to #21627.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21908>
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