tinyxml2: reachable assertion in GetCharacterRef()

TinyXML2 through 10.0.0 has a reachable assertion for UINT_MAX/16, that may lead to application exit, in tinyxml2.cpp XMLUtil::GetCharacterRef.

TinyXML2 through 10.0.0 has a reachable assertion for UINT_MAX/digit, that may lead to application exit, in tinyxml2.cpp XMLUtil::GetCharacterRef.

tinyxml2: heap-based buffer over-read in the XMLDocument::Parse function

TinyXML2 6.2.0 has a heap-based buffer over-read in the XMLDocument::Parse function in libtinyxml2.so. NOTE: The tinyxml2 developers have determined that the reported overflow is due to improper use of the library and not a vulnerability in tinyxml2