[Poppler-bugs] [Bug 61994] Poppler doen't display some PDF documents - All pages are blank

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=61994

--- Comment #5 from Thomas Freitag <Thomas.Freitag at alfa.de> ---

> I should also point out that the document also opens in Google Chrome on
> both Windows and Linux with out an error message.
> 
> I do notice that once I have opened the document using Adobe reader on
> Windows that, on exiting it does ask if I want to "Save my changes" - but a
> reader should not be making any changes.

This is done if the PDF is defect and was repaired by acrobat. Unfortunately
acrobat doesn't repair the jpeg image stream!
> 
> The resulting saved file is significantly different, and it also cannot be
> viewed through Poppler.

The containing JPEG image has a defect SOF marker. In the SOF marker of the
image width is set to 2480, BUT the height to 65536 (which is wrong, the
correct height is 3473). This exceeds the limit of the jpeg library (limit
65500), but even if not, because the value is wrong, it couldn't get
decompressed.
Unfortunately poppler doesn't give any error message in this case, it just
renders a white image.

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