Tilman Hausherr created PDFBOX-2498:
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Summary: ArrayIndexOutOfBoundsException in
PreflightParser.lastIndexOf
Key: PDFBOX-2498
URL: https://issues.apache.org/jira/browse/PDFBOX-2498
Project: PDFBox
Issue Type: Bug
Components: Preflight
Affects Versions: 1.8.7, 1.8.8, 2.0.0
Reporter: Tilman Hausherr
Fix For: 1.8.8, 2.0.0
Attachments: 041278.pdf
{code}
041278.pdf preflight fail: java.lang.ArrayIndexOutOfBoundsException: 2048
at
org.apache.pdfbox.preflight.parser.PreflightParser.lastIndexOf(PreflightParser.java:874)
at
org.apache.pdfbox.pdfparser.NonSequentialPDFParser.getStartxrefOffset(NonSequentialPDFParser.java:786)
at
org.apache.pdfbox.pdfparser.NonSequentialPDFParser.initialParse(NonSequentialPDFParser.java:406)
at
org.apache.pdfbox.preflight.parser.PreflightParser.initialParse(PreflightParser.java:244)
at
org.apache.pdfbox.pdfparser.NonSequentialPDFParser.parse(NonSequentialPDFParser.java:938)
at
org.apache.pdfbox.preflight.parser.PreflightParser.parse(PreflightParser.java:192)
at
org.apache.pdfbox.preflight.parser.PreflightParser.parse(PreflightParser.java:174)
at
org.apache.pdfbox.preflight.parser.PreflightParser.parse(PreflightParser.java:162)
at pdfboxpageimageextraction.PreflightTest.main(PreflightTest.java:41)
{code}
The cause is a bug in a check that there is nothing after EOF except one eol.
The bug happens if there is only one byte. This has to be rewritten so that:
- more than 2 bytes: error
- 2 bytes: 0x0d 0x0a allowed
- 1 byte: 0x0a allowed
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