PYSEC-2026-721 Out-of-bounds Read and Out-of-bounds Write in OpenCV

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/write in the function HaarEvaluator::OptFeature::calc in modules/objdetect/src/cascadedetect.hpp, which leads to denial of service...

Astra Linux – Vulnerability in OpenCV

A issue was discovered in OpenCV before versions 3.4.7 and 4.x before version 4.1.1. There is an out-of-bounds read/write operation in the function HaarEvaluator::OptFeature::calc in modules/objdetect/src/cascadedetect.hpp, which leads to a denial of service...