Details
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Bug
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Status: Closed
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Minor
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Resolution: Fixed
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2.0.22, 3.0.0 PDFBox
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None
Description
The attached PDF generates the following stack trace when loaded via Loader.loadPDF (using current Git revision 877fe27feaa36e7d24119b053ef41c4247f0691d):
java.lang.IllegalArgumentException: Null input buffer
at java.base/javax.crypto.Cipher.doFinal(Cipher.java:2201)
at org.apache.pdfbox.pdmodel.encryption.StandardSecurityHandler.computeEncryptedKeyRev56(StandardSecurityHandler.java:751)
at org.apache.pdfbox.pdmodel.encryption.StandardSecurityHandler.computeEncryptedKey(StandardSecurityHandler.java:658)
at org.apache.pdfbox.pdmodel.encryption.StandardSecurityHandler.prepareForDecryption(StandardSecurityHandler.java:210)
at org.apache.pdfbox.pdfparser.COSParser.prepareDecryption(COSParser.java:2522)
at org.apache.pdfbox.pdfparser.COSParser.rebuildTrailer(COSParser.java:1885)
at org.apache.pdfbox.pdfparser.COSParser.retrieveTrailer(COSParser.java:263)
at org.apache.pdfbox.pdfparser.PDFParser.initialParse(PDFParser.java:127)
at org.apache.pdfbox.pdfparser.PDFParser.parse(PDFParser.java:180)
at org.apache.pdfbox.pdfparser.PDFParser.parse(PDFParser.java:154)
at org.apache.pdfbox.Loader.loadPDF(Loader.java:204)
at com.example.PdfBoxFuzzer.fuzzerTestOneInput(PdfBoxFuzzer.java:31)
While the PDF is clearly broken, the type of thrown exception is unexpected (not an IOException).