OpenCV (Open Source Computer Vision Library) through 3.3 (corresponding to OpenCV-Python 3.3.0.9) has a denial of service (CPU consumption) issue, as demonstrated by the 11-opencv-dos-cpu-exhaust test case.
github.com/opencv/opencv-python
github.com/opencv/opencv-python/releases/tag/11
github.com/opencv/opencv-python/releases/tag/9
github.com/opencv/opencv/issues/9311
github.com/opencv/opencv/pull/9376
github.com/xiaoqx/pocs/blob/master/opencv.md
nvd.nist.gov/vuln/detail/CVE-2017-12600
security.gentoo.org/glsa/201712-02