OpenCV (Open Source Computer Vision Library) through 3.3 (corresponding to OpenCV-Python and OpenCV-Contrib-Python 3.3.0.9) has an out-of-bounds write error in the FillUniColor function in utils.cpp when reading an image file by using cv::imread.
"https://github.com/pypa/advisory-database/blob/main/vulns/opencv-contrib-python/PYSEC-2026-706.yaml"