[jira] [Created] (PDFBOX-5124) Improperly declared OS2WindowsMetricsTable version (v0 table declard as v3) in embedded font stops parsing with EOFException

["Gábor Stefanik (Jira)" <ji...@apache.org>]

Gábor Stefanik created PDFBOX-5124:
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             Summary: Improperly declared OS2WindowsMetricsTable version (v0 table declard as v3) in embedded font stops parsing with EOFException
                 Key: PDFBOX-5124
                 URL: https://issues.apache.org/jira/browse/PDFBOX-5124
             Project: PDFBox
          Issue Type: Bug
          Components: FontBox
    Affects Versions: 2.0.22
            Reporter: Gábor Stefanik
         Attachments: SZAMLA-20190417-20190012706-ININET-BroadBitHungary-11646-HUF.pdf

The attached document contains an incorrectly versioned OS2WindowsMetricsTable. It's a version 0 table, but claims to be version 3. Due to this, when we try to parse the new fields introduced in newer versions, we hit an EOFException.

Since this issue does occur in the wild, PDFBox should tolerate it, e.g. by catching the EOFException and resetting the "version" variable to the highest version that doesn't have the missing fields. (Note that the version constants PDFBox checks against are wrong, but that's PDFBOX-5123.)



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