[tor-bugs] #31591 [Applications/Tor Browser]: Feature review for ESR68

Tor Bug Tracker & Wiki blackhole at torproject.org
Thu Oct 31 14:20:53 UTC 2019


#31591: Feature review for ESR68
-------------------------------------------------+-------------------------
 Reporter:  pili                                 |          Owner:  tbb-
                                                 |  team
     Type:  defect                               |         Status:  closed
 Priority:  Very High                            |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:  fixed
 Keywords:  tbb-9.0-must-alpha,                  |  Actual Points:  6
  TorBrowserTeam201910, GeorgKoppen201910        |
Parent ID:                                       |         Points:  3
 Reviewer:                                       |        Sponsor:
-------------------------------------------------+-------------------------
Changes (by gk):

 * status:  new => closed
 * resolution:   => fixed
 * actualpoints:   => 6


Comment:

 Replying to [comment:6 mikeperry]:
 > Ok I looked through FF68's dev docs in detail. The only thing that
 struck me as remotely concerning was the potential ability to build high
 precision timers for performance fingerprinting out of the Close Caption
 https://developer.mozilla.org/en-
 US/docs/Web/API/TextTrack/cuechange_event.. I don't think we have gone
 down that rabbithole of trying to eliminate such timers, right? And it's
 not even clear that the accuracy of this timer would be very high in the
 first place, so it might not even be possible.

 Yeah, as Tom said we did no go down that rabbit hole yet. I think we have
 #16110 for the general area and now #32350 for your issue in particular.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/31591#comment:10>
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