[tor-bugs] #25147 [Applications/Tor Browser]: Backport of fix shipped in Firefox 58.0.1?

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#25147: Backport of fix shipped in Firefox 58.0.1?
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 Reporter:  gk                        |          Owner:  pospeselr
     Type:  task                      |         Status:  needs_information
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:  TorBrowserTeam201804R     |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
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Comment (by pospeselr):

 Replying to [comment:13 gk]:
 > So, we are good with this bug then and only #25458 remains? FWIW: I did
 not get any reply about specific ESR52 code that would need to get patched
 which is not in Firefox 58 anymore when asking the Mozilla engineer. I
 think we should not spend more energy on this defense-in-depth, though,
 apart from fixing breakage a la #25458.

 Looked into #25458 and sure enough, it's caused by this patch.  We didn't
 catch it (and there's no related bug for it in FF) because the offending
 calling code no longer exists in FF latest.  Will have a patch up shortly
 once I've verified the fix.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25147#comment:14>
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