Jesse Long created PDFBOX-3648:
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Summary: EOFException parsing PDFs with invalid xref offsets
Key: PDFBOX-3648
URL: https://issues.apache.org/jira/browse/PDFBOX-3648
Project: PDFBox
Issue Type: Bug
Components: Parsing
Affects Versions: 2.0.4
Reporter: Jesse Long
Priority: Minor
ScratchFileBuffer does not allow seeking past the end of file. If the xref
table claims an object offset past the end of file an IOException is
incorrectly thrown.
COSParser.checkObjectKeys() seeks to the offset claimed in the xref table and
looks for a valid object number and generation number there.
If there is an IOException while trying to READ in COSParser.checkObjectKeys(),
the exception is caught and the parser falls back to brute force searching for
objects offsets.
The problem is that IOExceptions are not caught when attempting to SEEK to the
offset claimed in the xref table. Solution: move the seek operation inside the
try {} block.
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