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https://issues.apache.org/jira/browse/PDFBOX-6080?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18023540#comment-18023540
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Tilman Hausherr commented on PDFBOX-6080:
-----------------------------------------
Brute forcing COMPRESSION_CCITT_MODIFIED_HUFFMAN_RLE makes it work?!
> Unknown code in Huffman RLE stream
> ----------------------------------
>
> Key: PDFBOX-6080
> URL: https://issues.apache.org/jira/browse/PDFBOX-6080
> Project: PDFBox
> Issue Type: Bug
> Components: Rendering
> Affects Versions: 2.0.34, 3.0.5 PDFBox
> Reporter: Tilman Hausherr
> Priority: Major
> Labels: regression
> Attachments: PDFBOX-6080.pdf
>
>
> As reported in the users mailing list
> Unknown code in Huffman RLE stream
> at
> org.apache.pdfbox.filter.CCITTFaxDecoderStream.decodeRun(CCITTFaxDecoderStream.java:384)
> at
> org.apache.pdfbox.filter.CCITTFaxDecoderStream.decode1D(CCITTFaxDecoderStream.java:164)
> at
> org.apache.pdfbox.filter.CCITTFaxDecoderStream.decodeRowType4(CCITTFaxDecoderStream.java:293)
> at
> org.apache.pdfbox.filter.CCITTFaxDecoderStream.decodeRow(CCITTFaxDecoderStream.java:313)
> at
> org.apache.pdfbox.filter.CCITTFaxDecoderStream.fetch(CCITTFaxDecoderStream.java:131)
> at
> org.apache.pdfbox.filter.CCITTFaxDecoderStream.read(CCITTFaxDecoderStream.java:452)
> at
> org.apache.pdfbox.filter.CCITTFaxFilter.readFromDecoderStream(CCITTFaxFilter.java:131)
> at org.apache.pdfbox.filter.CCITTFaxFilter.decode(CCITTFaxFilter.java:109)
> at org.apache.pdfbox.filter.Filter.decode(Filter.java:97)
> at org.apache.pdfbox.filter.Filter.decode(Filter.java:285)
> It worked in 1.8, 2.0.22 (released 19.12.2020) and stopped working in 2.0.23
> (released 18.3.2021). It has never worked in 3.0.
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