An issue was discovered in OpenCV before 3.4.7 and 4.x before 4.1.1 (OpenCV-Python before 3.4.7.28 and 4.x before 4.1.1.26). There is an out of bounds read in the function cv::predictOrderedcv::HaarEvaluator in modules/objdetect/src/cascadedetect.hpp, which leads to denial of service.
3.4.7.284.1.1.263.4.7.284.1.1.263.4.7.284.1.1.263.4.7.284.1.1.26Exploitability
AV:NAC:LPR:NUI:NScope
S:UImpact
C:LI:NA:H8.2/CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H