[Bug 39106] New: Visiting a site serving Lync Web App invitation crashes Firefox under Wine (mfplat.dll)

https://bugs.winehq.org/show_bug.cgi?id=39106

Bug ID: 39106
           Summary: Visiting a site serving Lync Web App invitation
                    crashes Firefox under Wine (mfplat.dll)
           Product: Wine
           Version: 1.7.49
          Hardware: x86
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Visiting a site serving "Lync Web App" / "Skype For Business Web App"
invitations with Firefox for Windows under Wine causes Firefox to crash
(Windows version set to 7 in winecfg).

for example the following page:
https://join.microsoft.com/meet/petercon/9H7JFRZJ

Copying native mfplat.dll blocks the crash.