CVE-2018-17851

An issue was discovered in JsonCpp 1.8.4. An unhandled exception vulnerability exists in Json::OurReader::readValue() in json_reader.cpp after throwing an instance of "Json::RuntimeError what(): Exceeded stackLimit." Specially crafted JSON requests can cause an unhandled exception resulting in denial of service. An attacker can send malicious JSON to trigger this vulnerability.

Source: CVE-2018-17851