[tbb-bugs] #19200 [Applications/Tor Browser]: HTML5 video not blocked with placeholder, plays automatically

Tor Bug Tracker & Wiki blackhole at torproject.org
Mon May 30 10:23:44 UTC 2016

#19200: HTML5 video not blocked with placeholder, plays automatically
 Reporter:  potato                    |          Owner:  tbb-team
     Type:  defect                    |         Status:  new
 Priority:  High                      |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Major                     |     Resolution:
 Keywords:  tbb-security-slider       |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
Changes (by gk):

 * keywords:  6.0a5, video, media, mse, mediasource, noscript, placeholder
     => tbb-security-slider
 * priority:  Very High => High


 Well, the slider got implemented based on a study concerning past
 vulnerabilities. And MSE haven't been a thing back then. Thus, it is not
 surprising that they are not accounted for in the settings. We plan to
 look again at past vulnerabilities in Firefox code in the coming weeks and
 adjust the slider accordingly. This might be a good ticket to consider

Ticket URL: <https://trac.torproject.org/projects/tor/ticket/19200#comment:2>
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