[wp-trac] [WordPress Trac] #39572: New MIME detection script breaks uploads for .wav files

[WordPress Trac]

#39572: New MIME detection script breaks uploads for .wav files
----------------------------+-----------------------------
 Reporter:  kennithnichol   |      Owner:
     Type:  defect (bug)    |     Status:  new
 Priority:  normal          |  Milestone:  Awaiting Review
Component:  Media           |    Version:  4.7
 Severity:  normal          |   Keywords:
  Focuses:  administration  |
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 The new MIME detection script introduced in rev=39831 has an unexpected
 side-effect which causes the mime type for uploaded .wav files (audio/wav)
 to return as 'audio/x-wav' which ultimately causes the upload to fail and
 declare the file as a security risk.

 /wp-includes/functions.php @ line 2324

 This affects the most recent security update pushed out to versions 4.6.2
 and 4.7.1

 https://core.trac.wordpress.org/browser/trunk/src/wp-
 includes/functions.php?rev=39831&order=name

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Ticket URL: <https://core.trac.wordpress.org/ticket/39572>
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