[PDFBOX-5106] IllegalArgumentException in PDFObjectStreamParser.privateReadObjectNumbers

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.0.22, 3.0.0 PDFBox
• Fix Version/s: 2.0.23, 3.0.0 PDFBox
• Component/s: Parsing
• Assignee: Tilman Hausherr
• Reporter: Fabian Meumertzheim
• Created: 22/Feb/21 19:41
• Updated: 19/Mar/21 15:41
• Resolved: 23/Feb/21 04:30

Description

The attached (broken) PDF throws the following undeclared exception when loaded via Loader.loadPDF (using current Git revision 275c77953ec8c2c896f9085b3508bef2c4d00d2f):

java.lang.IllegalArgumentException: Illegal initial capacity: -7
at java.base/java.util.HashMap.<init>(HashMap.java:445)
at java.base/java.util.HashMap.<init>(HashMap.java:464)
at org.apache.pdfbox.pdfparser.PDFObjectStreamParser.privateReadObjectNumbers(PDFObjectStreamParser.java:101)
at org.apache.pdfbox.pdfparser.PDFObjectStreamParser.readObjectNumbers(PDFObjectStreamParser.java:122)
at org.apache.pdfbox.pdfparser.COSParser.bfSearchForObjStreams(COSParser.java:1644)
at org.apache.pdfbox.pdfparser.COSParser.rebuildTrailer(COSParser.java:1879)
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)