[tbb-bugs] #23336 [Applications/Tor Browser]: message: "attempted to extract HTML5 canvas image data". suggestion: don't offer the option "allow"

[Tor Bug Tracker & Wiki]

#23336: message: "attempted to extract HTML5 canvas image data". suggestion: don't
offer the option "allow"
--------------------------------------+--------------------------
 Reporter:  imagecanvasdata@…         |          Owner:  tbb-team
     Type:  enhancement               |         Status:  closed
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:  invalid
 Keywords:                            |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
--------------------------------------+--------------------------
Changes (by cypherpunks):

 * status:  new => closed
 * resolution:   => invalid


Comment:

 > what would be a reason to allow a site to to extract HTML5 canvas image
 data and thereby to allow to uniquely identify the user when the reason
 for using tbb is to attempt to hide the user?

 It's necessary in some cases such as with some picture upload sites.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/23336#comment:2>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online