[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

Zebediah Figura  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|-unknown                    |windowscodecs
            Product|Wine-staging                |Wine

--- Comment #10 from Zebediah Figura  ---
(In reply to Dmitry Timoshkov from comment #9)
> (In reply to Dmitry Timoshkov from comment #8)
> > I've sent another version of the fix that doesn't avoid an intermediate
> > memory allocation:
> > https://source.winehq.org/patches/data/183871
> > along with a specific test for the 4bps BGRA TIFF:
> > https://source.winehq.org/patches/data/183867
>
> 0cd8502b493e7a93df7aad08bc2fdfe3fd73b5cc contains new implementation.
>
> Note: it's a winehq commit.

Never quite sure how to reasonably deal with these, but I'm going to move the
bug to the Wine product in that case.