Tilman Hausherr created PDFBOX-5744:
---------------------------------------

             Summary: EOFException while readMultipleSubstitutionSubtable()
                 Key: PDFBOX-5744
                 URL: https://issues.apache.org/jira/browse/PDFBOX-5744
             Project: PDFBox
          Issue Type: Bug
          Components: FontBox
    Affects Versions: 3.0.2 PDFBox
            Reporter: Tilman Hausherr
            Assignee: Tilman Hausherr
             Fix For: 3.0.2 PDFBox, 4.0.0
         Attachments: NotoSerifMyanmar.ttc

Another found because of PDFBOX-5743.
{code:java}
TrueTypeCollection ttc = new TrueTypeCollection(new 
File("NotoSerifMyanmar.ttc"));
ttc.processAllFonts((TrueTypeFont ttf) ->
{
    System.out.println(ttf.getName());
});
{code}

{noformat}
java.io.EOFException: EOF
        at 
org.apache.fontbox.ttf.TTFDataStream.readUnsignedShort(TTFDataStream.java:154)
        at 
org.apache.fontbox.ttf.TTFDataStream.readUnsignedShortArray(TTFDataStream.java:188)
        at 
org.apache.fontbox.ttf.GlyphSubstitutionTable.readMultipleSubstitutionSubtable(GlyphSubstitutionTable.java:561)
        at 
org.apache.fontbox.ttf.GlyphSubstitutionTable.readLookupSubtable(GlyphSubstitutionTable.java:284)
        at 
org.apache.fontbox.ttf.GlyphSubstitutionTable.readLookupTable(GlyphSubstitutionTable.java:451)
        at 
org.apache.fontbox.ttf.GlyphSubstitutionTable.readLookupList(GlyphSubstitutionTable.java:268){code}
Assuming that such font files are correct, the investigation showed that the 
table is read several times, i.e. the glyphCount variable was used wrongly.



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