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  1. PDFBox
  2. PDFBOX-4446

Tolerate some incorrect Xref in PDF file

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 2.0.14, 3.0.0 PDFBox
    • Fix Version/s: 2.0.14, 3.0.0 PDFBox
    • Component/s: Parsing
    • Labels:
      None

      Description

      Some PDF file may not have correct Xref, and we should tolerate them. Or just log an error but not raise exception.

       pdfbox/src/main/java/org/apache/pdfbox/pdfparser/COSParser.java | 3 +++
       1 file changed, 3 insertions(+)
      
      diff --git a/pdfbox/src/main/java/org/apache/pdfbox/pdfparser/COSParser.java b/pdfbox/src/main/java/org/apache/pdfbox/pdfparser/COSParser.java
      index 8ca955ed2..b2b28b258 100644
      --- a/pdfbox/src/main/java/org/apache/pdfbox/pdfparser/COSParser.java
      +++ b/pdfbox/src/main/java/org/apache/pdfbox/pdfparser/COSParser.java
      @@ -721,6 +721,9 @@ public class COSParser extends BaseParser
                                           }
                                       }
       
      +                                if( fileOffset == null ) {
      +                                  continue;
      +                                }
                                       List<COSObject> stmObjects = objToBeParsed.get(fileOffset);
                                       if (stmObjects == null)
                                       {
      

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        1. Reproduce_Step.png
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          Derek Liu

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            People

            • Assignee:
              tilman Tilman Hausherr
              Reporter:
              liu1985629 Derek Liu
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              Dates

              • Created:
                Updated:
                Resolved: