Robin Schimpf created PDFBOX-4348:
-------------------------------------
Summary: ClassCastException in COSParser
Key: PDFBOX-4348
URL: https://issues.apache.org/jira/browse/PDFBOX-4348
Project: PDFBox
Issue Type: Bug
Affects Versions: 2.0.12
Reporter: Robin Schimpf
Attachments: ClassCastException COSParser#parseDictionaryRecursive
Fuzzing PDF loading with [JQF|https://github.com/rohanpadhye/jqf] triggered an
ArrayIndexOutOfBoundsException.
{code:java}
java.lang.ClassCastException: org.apache.pdfbox.cos.COSString cannot be cast to
org.apache.pdfbox.cos.COSDictionary
at
org.apache.pdfbox.pdfparser.COSParser.parseDictionaryRecursive(COSParser.java:2919)
at
org.apache.pdfbox.pdfparser.COSParser.parseDictionaryRecursive(COSParser.java:2927)
at
org.apache.pdfbox.pdfparser.COSParser.parseDictionaryRecursive(COSParser.java:2927)
at
org.apache.pdfbox.pdfparser.COSParser.parseDictionaryRecursive(COSParser.java:2927)
at
org.apache.pdfbox.pdfparser.COSParser.parseDictionaryRecursive(COSParser.java:2927)
at
org.apache.pdfbox.pdfparser.COSParser.prepareDecryption(COSParser.java:2865)
at
org.apache.pdfbox.pdfparser.COSParser.retrieveTrailer(COSParser.java:284)
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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