Re: [tor-bugs] #18599 [Applications/Tor Browser]: Make sure OffScreenCanvas API does not render moot our canvas fingerprinting protection

["Tor Bug Tracker & Wiki" <blackhole@xxxxxxxxxxxxxx>]

#18599: Make sure OffScreenCanvas API does not render moot our canvas
fingerprinting protection
-------------------------------------------------+-------------------------
 Reporter:  gk                                   |          Owner:  tbb-
                                                 |  team
     Type:  task                                 |         Status:
                                                 |  assigned
 Priority:  High                                 |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  tbb-fingerprinting,                  |  Actual Points:
  GeorgKoppen201705, TorBrowserTeam201711,       |
  ff68-esr                                       |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
                                                 |  Sponsor4
-------------------------------------------------+-------------------------
Changes (by gk):

 * keywords:  tbb-fingerprinting, GeorgKoppen201705, TorBrowserTeam201711,
     ff60-esr => tbb-fingerprinting, GeorgKoppen201705,
     TorBrowserTeam201711, ff68-esr


Comment:

 Seems this has time at least until Firefox 68 ESR. `OffScreenCanvas` is
 not defined in ESR 60 (unless one flips the pref mentioned in the
 comment:description. See:
 https://lyuyuan92.github.io/test_canvas_on_and_off_screen.html for a demo.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18599#comment:24>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online

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