[tbb-bugs] #18097 [Applications/Tor Browser]: Font fingerprinting defenses roadmap (parent ticket)

Tor Bug Tracker & Wiki blackhole at torproject.org
Sun Jan 22 22:46:54 UTC 2017

#18097: Font fingerprinting defenses roadmap (parent ticket)
 Reporter:  arthuredelstein           |          Owner:  tbb-team
     Type:  defect                    |         Status:  new
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:  tbb-fingerprinting-fonts  |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:

Comment (by vegansalad):

 I love that Tor Browser is worried about font fingerprinting defenses!

 It, however, seems to be breaking parts of the Tor Browser's Trac page for
 Gnu+Linux TBB users though. #18860

 From what I can tell, this seems to be due to the fact that the Tor
 Browser in Gnu+Linux doesn't support Dingbats properly. #18364

 Does anyone have any idea why this is the case? I'm having trouble
 figuring out what is going on.

 I was told that NotoEmoji-Regular.ttf is currently bundled in Tor Browser

 Based on the pictures, it seems like maybe it should have dingbats covered
 in the font: https://www.google.com/get/noto/#emoji-zsye

 So, I'm curious, why are dingbats not working in TBB on Gnu+Linux? Is it
 because it doesn't have any fonts whitelisted that include all dingbats?
 Or is the whitelisted font that allows dingbats to work not working for
 some reason? Does this have to do with #16739 at all?

Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18097#comment:7>
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