Alex Nevidomsky created PDFBOX-2655:
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Summary: PDCIDFontType2Embedder.buildCIDSet() ArrayOutOfBounds
Key: PDFBOX-2655
URL: https://issues.apache.org/jira/browse/PDFBOX-2655
Project: PDFBox
Issue Type: Bug
Components: PDModel
Affects Versions: 2.0.0
Reporter: Alex Nevidomsky
{code}
byte[] bytes = new byte[(Collections.max(cidToGid.keySet()) + 7) / 8];
...
bytes[cid / 8] |= mask;
{code}
Problem:
[(N+7)/8] is not enough to store N/8 when N=8k (for example, 8).
(N+8)/8 or N/8+1 seem to solve the problem, but not sure about the potential
remote consequences.
Test case:
{code}
PDDocument document = new PDDocument();
PDPage page = new PDPage(PDRectangle.A4);
document.addPage(page);
String dir = "../../resources/";
PDType0Font font = PDType0Font.load(document, new File(dir +
"LiberationSans-Regular.ttf"));
PDPageContentStream stream = new PDPageContentStream(document,
page);
stream.beginText();
stream.setFont(font, 12);
stream.setLeading(12 * 1.2);
stream.newLineAtOffset(50, 600);
//This particular Russian letter has been
//a trouble maker in computer system for decades )
stream.showText("я");
stream.endText();
stream.close();
document.save("example.pdf");
document.close();
{code}
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