{"id":"PYSEC-2026-718","summary":"NULL Pointer Dereference in OpenCV.","details":"An issue was discovered in OpenCV before 4.1.1 (OpenCV-Python before 4.1.1.26). There is a NULL pointer dereference in the function cv::XMLParser::parse at modules/core/src/persistence.cpp.","aliases":["CVE-2019-14493","GHSA-3448-vrgh-85xr","PYSEC-2026-2795","PYSEC-2026-2806","PYSEC-2026-2834"],"modified":"2026-07-13T16:43:40.956572771Z","published":"2026-07-02T14:13:12.865105Z","references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-14493"},{"type":"WEB","url":"https://github.com/opencv/opencv/issues/15127"},{"type":"PACKAGE","url":"https://github.com/opencv/opencv-python"},{"type":"WEB","url":"https://github.com/opencv/opencv/compare/371bba8...ddbd10c"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2021/10/msg00028.html"},{"type":"PACKAGE","url":"https://pypi.org/project/opencv-contrib-python-headless"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-3448-vrgh-85xr"}],"affected":[{"package":{"name":"opencv-contrib-python-headless","ecosystem":"PyPI","purl":"pkg:pypi/opencv-contrib-python-headless"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.1.26"}]}],"versions":["3.4.0.14","3.4.1.15","3.4.10.37","3.4.11.39","3.4.11.41","3.4.11.43","3.4.11.45","3.4.13.47","3.4.14.51","3.4.14.53","3.4.15.55","3.4.16.57","3.4.16.59","3.4.17.61","3.4.17.63","3.4.18.65","3.4.2.17","3.4.3.18","3.4.4.19","3.4.5.20","3.4.6.27","3.4.7.28","3.4.8.29","3.4.9.33","4.0.0.21","4.0.1.23","4.0.1.24","4.1.0.25"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/opencv-contrib-python-headless/PYSEC-2026-718.yaml"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}