[Bug 48927] Heap buffer underflow in TiffFrameDecode_ReadTile when decoding 1x1 4bpp RGBA image

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=48927

--- Comment #1 from Thomas Faber <thomas.faber at reactos.org> ---
Created attachment 66888
  --> https://bugs.winehq.org/attachment.cgi?id=66888
Possible fix

Attaching a possible fix (line numbers may not match but context should).

I'm not sure of the proper process for updating someone else's patch in
Staging. Happy to follow it if preferred, or someone can just fix it directly.

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