In OpenCV 3.3.1 (corresponds with OpenCV-Python 3.3.1.11), an assertion failure happens in cv::RBaseStream::setPos in modules/imgcodecs/src/bitstrm.cpp because of an incorrect integer cast.
www.securityfocus.com/bid/106945
github.com/opencv/opencv-python
github.com/opencv/opencv/issues/10540
github.com/opencv/opencv/pull/10563
lists.debian.org/debian-lts-announce/2018/04/msg00019.html
lists.debian.org/debian-lts-announce/2018/07/msg00030.html
lists.debian.org/debian-lts-announce/2021/10/msg00028.html
nvd.nist.gov/vuln/detail/CVE-2018-5269