Robin Schimpf created PDFBOX-4354:
-------------------------------------
Summary: NumberFormatException in COSParser
Key: PDFBOX-4354
URL: https://issues.apache.org/jira/browse/PDFBOX-4354
Project: PDFBox
Issue Type: Bug
Affects Versions: 2.0.12
Reporter: Robin Schimpf
Attachments: NumberFormatException COSParser#bfSearchForObjStreams,
NumberFormatException COSParser#parseXrefTable
Fuzzing PDF loading with [JQF|https://github.com/rohanpadhye/jqf] triggered two
NumberFormatExceptions in different places.
First exception:
{code:java}
java.lang.NumberFormatException: For input string: "1f"
at
java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
at java.lang.Long.parseLong(Long.java:589)
at java.lang.Long.parseLong(Long.java:631)
at
org.apache.pdfbox.pdfparser.COSParser.bfSearchForObjStreams(COSParser.java:2052)
at
org.apache.pdfbox.pdfparser.COSParser.retrieveTrailer(COSParser.java:287)
at
org.apache.pdfbox.pdfparser.PDFParser.initialParse(PDFParser.java:171)
at org.apache.pdfbox.pdfparser.PDFParser.parse(PDFParser.java:220)
at org.apache.pdfbox.pdmodel.PDDocument.load(PDDocument.java:1160)
at org.apache.pdfbox.pdmodel.PDDocument.load(PDDocument.java:1057)
...
{code}
Second exception:
{code:java}
java.lang.NumberFormatException: For input string: "am"
at
java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
at java.lang.Integer.parseInt(Integer.java:580)
at java.lang.Integer.parseInt(Integer.java:615)
at
org.apache.pdfbox.pdfparser.COSParser.parseXrefTable(COSParser.java:2696)
at org.apache.pdfbox.pdfparser.COSParser.parseXref(COSParser.java:326)
at
org.apache.pdfbox.pdfparser.COSParser.retrieveTrailer(COSParser.java:254)
at
org.apache.pdfbox.pdfparser.PDFParser.initialParse(PDFParser.java:171)
at org.apache.pdfbox.pdfparser.PDFParser.parse(PDFParser.java:220)
at org.apache.pdfbox.pdmodel.PDDocument.load(PDDocument.java:1160)
at org.apache.pdfbox.pdmodel.PDDocument.load(PDDocument.java:1057)
...
{code}
The Code used for fuzzing is
{code:java}
PDDocument.load(inputStream)
{code}
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