Andreas Lehmkühler created PDFBOX-5163:
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Summary: Stack overflow when reading a corrupt dictionary
Key: PDFBOX-5163
URL: https://issues.apache.org/jira/browse/PDFBOX-5163
Project: PDFBox
Issue Type: Bug
Components: Parsing
Affects Versions: 2.0.23
Reporter: Andreas Lehmkühler
Assignee: Andreas Lehmkühler
Fix For: 2.0.24
Richard Smith/Chaoyuan Peng reported an issue with the current version 2.0.23.
When parsing a carefully handcrafted pdf the following exception occurs and
PDFBox crashes:
{code}
java.lang.StackOverflowError: null
java.util.WeakHashMap.eq(Unknown Source)
java.util.WeakHashMap.get(Unknown Source)
java.util.Collections$SynchronizedMap.get(Unknown Source)
org.apache.pdfbox.debugger.ui.LogDialog.log(LogDialog.java:143)
org.apache.pdfbox.debugger.ui.DebugLog.warn(DebugLog.java:156)
org.apache.pdfbox.pdfparser.BaseParser.parseDirObject(BaseParser.java:933)
org.apache.pdfbox.pdfparser.BaseParser.parseCOSDictionaryValue(BaseParser.java:154)
org.apache.pdfbox.pdfparser.BaseParser.parseCOSDictionaryNameValuePair(BaseParser.java:283)
org.apache.pdfbox.pdfparser.BaseParser.parseCOSDictionary(BaseParser.java:216)
org.apache.pdfbox.pdfparser.BaseParser.parseDirObject(BaseParser.java:859)
org.apache.pdfbox.pdfparser.COSParser.parseFileObject(COSParser.java:917)
org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:886)
org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:806)
org.apache.pdfbox.pdfparser.COSParser.getLength(COSParser.java:1060)
{code}
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