[Poppler-bugs] [Bug 39361] Numerical overflow in libopenjpeg JPXStream::doLookChar()

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=39361

Daniel Glöckner <daniel-gl at gmx.net> changed:

           What    |Removed                     |Added
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  Attachment #49280|0                           |1
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--- Comment #5 from Daniel Glöckner <daniel-gl at gmx.net> 2011-07-20 15:38:16 PDT ---
Created an attachment (id=49356)
 View: https://bugs.freedesktop.org/attachment.cgi?id=49356
 Review: https://bugs.freedesktop.org/review?bug=39361&attachment=49356

Fix and optimization

I was under the impression that the code did not support JPEG 2000 images with
more than three components because of the logic in JPXStream::getImageParams.
It apparently does when the image dictionary overrides the values returned by
that method, so interleaving all components into the first component's buffer
is out of question. It's still faster than before.

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