OpenCV 3.0.0 allows remote attackers to cause a denial of service (segfault) via vectors involving corrupt chunks. This issue was fixed in OpenCV version 3.3.1 (corresponding to OpenCV 3.3.1.11).
"https://github.com/pypa/advisory-database/blob/main/vulns/opencv-contrib-python/PYSEC-2026-708.yaml"