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diff -rupN podofo-0.9.6/tools/podofoimpose/pdftranslator.cpp podofo-0.9.6-new/tools/podofoimpose/pdftranslator.cpp
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--- podofo-0.9.6/tools/podofoimpose/pdftranslator.cpp 2019-03-13 23:15:12.348138695 +0100
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+++ podofo-0.9.6-new/tools/podofoimpose/pdftranslator.cpp 2019-03-13 23:15:12.381138687 +0100
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@@ -148,7 +148,12 @@ namespace PoDoFo
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// std::cerr << "Document has "<< pcount << " page(s) " << endl;
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if ( pcount > 0 ) // only here to avoid possible segfault, but PDF without page is not conform IIRC
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{
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- PoDoFo::PdfRect rect ( sourceDoc->GetPage ( 0 )->GetMediaBox() );
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+ PoDoFo::PdfPage* pFirstPage = sourceDoc->GetPage ( 0 );
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+ if ( NULL == pFirstPage ) // Fixes CVE-2019-9199 (issue #40)
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+ {
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+ PODOFO_RAISE_ERROR_INFO( ePdfError_PageNotFound, "First page (0) of source document not found" );
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+ }
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+ PoDoFo::PdfRect rect ( pFirstPage->GetMediaBox() );
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// keep in mind it’s just a hint since PDF can have different page sizes in a same doc
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sourceWidth = rect.GetWidth() - rect.GetLeft();
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sourceHeight = rect.GetHeight() - rect.GetBottom() ;
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