[Bug 191120] [NEW] File viewers crash when trying to read property data for PDFs

[N. Svoboda]

Public bug reported:

This is in regards to the current Kubuntu "Gibbon" system. Feisty does
NOT do this, as far as I have experimented. This MAY be related to bug
#120256.

Both Konqueror and Dolphin filesystem viewers will crash consistently
when trying to read file property information from PDFs. This happens
when hovering the mouse over the file to get the properties or right-
clicking and selecting 'properties.' Opening the file will actaully work
just fine (click fast or open from a terminal). This can be worked
around in Konqueror by either turning off file tips or by de-selecting
the "File" protocol under "Preview & Metadata". The factor that causes a
crash is a blank declaration of the "/CreationDate" property in a PDF
file. For instance, the below object in a PDF will crash Konqueror:

1 0 obj
<<
/Creator (HP Digital Sending Device)
/CreationDate ()
/Author ()
/Producer (HP Digital Sending Device)
/Title ()
/Subject()
>>
endobj
(This is a format created from several HP MFP printers)

This is easy to test. Just open a normal PDF file in a binary editor,
look for the creation date property, and set it to blank as above. After
this, try to hover the mouse over the file in one of the file system
viewers or try to open the properties Window.

** Affects: kdebase (Ubuntu)
     Importance: Undecided
         Status: New

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File viewers crash when trying to read property data for PDFs
https://bugs.launchpad.net/bugs/191120
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