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Re: [tor-bugs] #18811 [Applications/Tor Browser]: Our first-party isolation patch incorrectly rejects blobs retrieved in workers

#18811: Our first-party isolation patch incorrectly rejects blobs retrieved in
workers
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 Reporter:  arthuredelstein                      |          Owner:
     Type:  defect                               |  arthuredelstein
 Priority:  Medium                               |         Status:
Component:  Applications/Tor Browser             |  needs_information
 Severity:  Normal                               |      Milestone:
 Keywords:  ff45-esr, TorBrowserTeam201605R,     |        Version:
  tbb-6.0-must                                   |     Resolution:
Parent ID:                                       |  Actual Points:
 Reviewer:                                       |         Points:
                                                 |        Sponsor:
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Comment (by arthuredelstein):

 Replying to [comment:8 gk]:
 > Could you elaborate whey we don't care about CSP just for blob: URLs?

 blob: URLs result in pure JavaScript data that don't result in further
 content being loaded from the network. So I don't think CSP is needed at
 this in the blob loading process. I also looked downstream of the function
 I am patching here, and there is apparently no access to CSP settings.

 But it's possible I am missing something here. Is there any reason why a
 blob would need an associated CSP?

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18811#comment:9>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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