[PDFBOX-5033] CFF FontParser exits with illegal offset in font

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.8.16, 2.0.20, 2.0.21
• Fix Version/s: 1.8.17, 2.0.22, 3.0.0 PDFBox
• Component/s: FontBox
• Assignee: Tilman Hausherr
• Reporter: Marius Heinzmann
• Created: 04/Dec/20 09:46
• Updated: 20/Dec/20 18:48
• Resolved: 04/Dec/20 19:24

Description

Dear Devs,

we've encountered an issue with version 2.0.20 and 2.0.21 of PDFbox when trying to parse a PDF for text extraction that seem to have existed before see FOP-2751.

I reproduced this issue with the pdfbox-app and the FuturaStd-Book.pdf of FOP-2751:

Console output

java -jar pdfbox-app-2.0.21.jar ExtractText FuturaStd-Book.pdf 
Dez 04, 2020 11:06:00 AM org.apache.pdfbox.pdmodel.font.PDType1CFont <init>
SCHWERWIEGEND: Can't read the embedded Type1C font FuturaStd-Book
java.io.IOException: illegal offset value 2949166 in CFF font
        at org.apache.fontbox.cff.CFFParser.readIndexDataOffsets(CFFParser.java:192)
        at org.apache.fontbox.cff.CFFParser.readIndexData(CFFParser.java:201)
        at org.apache.fontbox.cff.CFFParser.parseFont(CFFParser.java:484)
        at org.apache.fontbox.cff.CFFParser.parse(CFFParser.java:122)
        at org.apache.fontbox.cff.CFFParser.parse(CFFParser.java:75)
        at org.apache.pdfbox.pdmodel.font.PDType1CFont.<init>(PDType1CFont.java:102)
        at org.apache.pdfbox.pdmodel.font.PDFontFactory.createFont(PDFontFactory.java:74)
        at org.apache.pdfbox.pdmodel.PDResources.getFont(PDResources.java:146)
        at org.apache.pdfbox.contentstream.operator.text.SetFontAndSize.process(SetFontAndSize.java:66)
        at org.apache.pdfbox.contentstream.PDFStreamEngine.processOperator(PDFStreamEngine.java:933)
        at org.apache.pdfbox.contentstream.PDFStreamEngine.processStreamOperators(PDFStreamEngine.java:515)
        at org.apache.pdfbox.contentstream.PDFStreamEngine.processStream(PDFStreamEngine.java:489)
        at org.apache.pdfbox.contentstream.PDFStreamEngine.processPage(PDFStreamEngine.java:156)
        at org.apache.pdfbox.text.LegacyPDFStreamEngine.processPage(LegacyPDFStreamEngine.java:144)
        at org.apache.pdfbox.text.PDFTextStripper.processPage(PDFTextStripper.java:397)
        at org.apache.pdfbox.text.PDFTextStripper.processPages(PDFTextStripper.java:325)
        at org.apache.pdfbox.text.PDFTextStripper.writeText(PDFTextStripper.java:272)
        at org.apache.pdfbox.tools.ExtractText.extractPages(ExtractText.java:377)
        at org.apache.pdfbox.tools.ExtractText.startExtraction(ExtractText.java:274)
        at org.apache.pdfbox.tools.ExtractText.main(ExtractText.java:97)
        at org.apache.pdfbox.tools.PDFBox.main(PDFBox.java:60)

Dez 04, 2020 11:06:00 AM org.apache.pdfbox.pdmodel.font.FileSystemFontProvider loadDiskCache
WARNUNG: New fonts found, font cache will be re-built
Dez 04, 2020 11:06:00 AM org.apache.pdfbox.pdmodel.font.FileSystemFontProvider <init>
WARNUNG: Building on-disk font cache, this may take a while
Dez 04, 2020 11:06:02 AM org.apache.pdfbox.pdmodel.font.FileSystemFontProvider <init>
WARNUNG: Finished building on-disk font cache, found 550 fonts
Dez 04, 2020 11:06:02 AM org.apache.pdfbox.pdmodel.font.PDType1CFont <init>
WARNUNG: Using fallback font Courier for FuturaStd-Book

Other examples fonts causing this issue are:

• Can't read the embedded Type1C font COGXUZ+MetaPlusNormal-Caps
• Can't read the embedded Type1C font DJTRFS+MetaPlusBold-CapsItalic
• Can't read the embedded Type1C font EAFTRP+MetaPlusNormal-Caps
• Can't read the embedded Type1C font GQHJVM+MetaPlusNormal-CapsItalic
• Can't read the embedded Type1C font GUEVYR+MetaPlusBold-CapsItalic
• Can't read the embedded Type1C font HYTBMP+MetaPlusNormal-CapsItalic
• Can't read the embedded Type1C font IJCQXI+MetaPlusMedium-Caps
• Can't read the embedded Type1C font JRIYJF+MetaPlusNormal-Caps
• Can't read the embedded Type1C font JSQSJF+NeuzeitGro-Reg
• Can't read the embedded Type1C font KUZTXD+MetaPlusBook-Roman
• Can't read the embedded Type1C font LWIPLB+1496148105355.00001Arial.000-1
• Can't read the embedded Type1C font MCDJBA+MetaSerif-BoldIta
• Can't read the embedded Type1C font UNLUJK+Barmeno-Medium

I couldn't find another issue about this. Is this already known?

Issue Links

• relates to: FOP-2751 Acrobat Reader error with some Latin Fonts