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podofo
0011-Fix-CVE-2017-6840-Out-of-bounds-read-in-Co...
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File 0011-Fix-CVE-2017-6840-Out-of-bounds-read-in-ColorChanger-GetColorFromStack.patch of Package podofo
Subject: Fix CVE-2017-6840: Out of bounds read in ColorChanger::GetColorFromStack() Url: https://sourceforge.net/p/podofo/code/1844/ --- a/podofo/trunk/tools/podofocolor/colorchanger.cpp +++ b/podofo/trunk/tools/podofocolor/colorchanger.cpp @@ -181,6 +181,13 @@ int nNumArgs = pInfo->nNumArguments; EPdfColorSpace eColorSpace; + if( args.size() != static_cast<size_t>( pInfo->nNumArguments ) ) + { + std::ostringstream oss; + oss << "Expected " << pInfo->nNumArguments << " argument(s) for keyword '" << pszKeyword << "', but " << args.size() << " given instead."; + PODOFO_RAISE_ERROR_INFO( ePdfError_InvalidContentStream, oss.str().c_str() ); + } + switch( pInfo->eKeywordType ) { case eKeyword_GraphicsStack_Push:
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