This update for podofo fixes the following issues:

 - CVE-2015-8981: Fixed heap overflow in the function ReadXRefSubsection (bsc#1023190)
 - CVE-2017-6840: Fixed invalid memory read in ColorChanger::GetColorFromStack (colorchanger.cpp) (bsc#1027787)
 - CVE-2017-6841: Fixed NULL pointer dereference in GraphicsStack::TGraphicsStackElement::~TGraphicsStackElement (graphicsstack.h) (bsc#1027786)
 - CVE-2017-6842: Fixed NULL pointer dereference in ColorChanger::GetColorFromStack (colorchanger.cpp) (bsc#1027785)
 - CVE-2017-6845: Fixed NULL pointer dereference in GraphicsStack::TGraphicsStackElement::SetNonStrokingColorSpace (graphicsstack.h) (bsc#1027779)
 - CVE-2017-6849: Fixed NULL pointer dereference in PoDoFo::PdfColorGray::~PdfColorGray (PdfColor.cpp) (bsc#1027776)
 - CVE-2017-8378: Fixed denial of service (application crash) vectors related to m_offsets.size (PdfParser::ReadObjects func in base/PdfParser.cpp) (bsc#1037000)  

 - Fixed NULL pointer dereference in PdfInfo::GuessFormat (pdfinfo.cpp) (bsc#1023072)