[tbb-bugs] #13543 [Applications/Tor Browser]: HTML5 media support may lead to OS fingerprinting

Tor Bug Tracker & Wiki blackhole at torproject.org
Fri Apr 26 08:47:35 UTC 2019

#13543: HTML5 media support may lead to OS fingerprinting
 Reporter:  cypherpunks               |          Owner:  tbb-team
     Type:  defect                    |         Status:  new
 Priority:  High                      |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:  tbb-fingerprinting        |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
Changes (by gk):

 * keywords:  tbb-fingerprinting-os => tbb-fingerprinting
 * priority:  Medium => High


 FWIW: we should use this bug as well to think about possible issues
 with/solutions for the MediaCapabilities API as well.
 https://bugzilla.mozilla.org/show_bug.cgi?id=1461454 is the tracking bug
 on Mozilla's side. Research by tjr suggests that this is indeed not only
 an OS fingerprinting vector, thus raising prio. See the thread on tbb-dev
 for more details: https://lists.torproject.org/pipermail/tbb-

Ticket URL: <https://trac.torproject.org/projects/tor/ticket/13543#comment:11>
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