[tbb-bugs] #21887 [Applications/Tor Browser]: Error pages are broken in TBB ff52 nightly with security slider being on "Medium" or "High"

[Tor Bug Tracker & Wiki]

#21887: Error pages are broken in TBB ff52 nightly with security slider being on
"Medium" or "High"
-------------------------------------------------+-------------------------
 Reporter:  blockflare                           |          Owner:  tbb-
                                                 |  team
     Type:  defect                               |         Status:
                                                 |  assigned
 Priority:  Medium                               |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  ff52-esr, tbb-usability-website,     |  Actual Points:
  tbb-security-slider                            |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
-------------------------------------------------+-------------------------

Comment (by cypherpunks):

 Allow JS on `about:neterror`?

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21887#comment:9>
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