bug: Stack overflow with Invalid PageTree #261
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galkahana
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Jun 22, 2024
* #261: recursion in page tree parsing. avoid with storing the current path and identifying cycles * nl * #262: recursion on object parsing. avoid with stroing the current path as parser state and identifying cyces * missing algorithm reference * #263: large allocation size following large columns value. limiting columns (and any integer) to max and mix pdf allowed value for integer to avoid * #264: incorrect release of segment causing using after free. dont use PDFObjectCastPtr if not querying a new object! * #265: adding test file for high count. correction is the same as earlier - limit value of integer
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should be dealt by #267 |
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Infinite Recursion in
PDFParser::ParsePagesIDsleads to a Stack Overflow. This happens becausePDFParser::ParsePagesIDsis recursive and the PageTree has a cycle, see for example the attached file.BrokenPageIDs.pdf
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