An issue was discovered in OpenCV before 3.4.7 and 4.x before 4.1.1. There is an out of bounds read/write in the function HaarEvaluator::OptFeature::calc in modules/objdetect/src/cascadedetect.hpp, which leads to denial of service.
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-14492.json"