Open Babel has a NULL pointer dereference in CDXML OBAtom::GetExplicitValence

SummaryA memory-safety vulnerability in Open Babel's CDXML file format parsercaused a NULL pointer dereference when reading a crafted input file. DetailsThe flaw was in OBAtom::GetExplicitValence as called from the CDXMLparser. A malformed fragment caused the parser to invoke the methodon a NULL...