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diff -rupN podofo-0.9.6/tools/podofoimpose/pdftranslator.cpp podofo-0.9.6-new/tools/podofoimpose/pdftranslator.cpp
--- podofo-0.9.6/tools/podofoimpose/pdftranslator.cpp 2019-03-13 23:15:12.348138695 +0100
+++ podofo-0.9.6-new/tools/podofoimpose/pdftranslator.cpp 2019-03-13 23:15:12.381138687 +0100
@@ -148,7 +148,12 @@ namespace PoDoFo
if ( pcount > 0 ) // only here to avoid possible segfault, but PDF without page is not conform IIRC
{
- PoDoFo::PdfRect rect ( sourceDoc->GetPage ( 0 )->GetMediaBox() );
+ PoDoFo::PdfPage* pFirstPage = sourceDoc->GetPage ( 0 );
+ if ( NULL == pFirstPage ) // Fixes CVE-2019-9199 (issue #40)
+ {
+ PODOFO_RAISE_ERROR_INFO( ePdfError_PageNotFound, "First page (0) of source document not found" );
+ }
+ PoDoFo::PdfRect rect ( pFirstPage->GetMediaBox() );
’
sourceWidth = rect.GetWidth() - rect.GetLeft();
sourceHeight = rect.GetHeight() - rect.GetBottom() ;
