[BUG] [cpprestsdk] Security issue: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20).

Created by: oneiric

Hi Expert,

Our security check tool codacy (FlawFinder) reported 4 security issues for the code of cpprestsdk. They are all caused by std::istream::read() function usage .

https://github.com/OpenAPITools/openapi-generator/blob/master/samples/client/petstore/cpp-restsdk/client/ModelBase.cpp#L519

Would you please fix the security issue in this repo?

Regards, Alex