{"id":"CVE-2018-5269","aliases":["GHSA-89rj-5ggj-3p9p","PYSEC-2026-2812","PYSEC-2026-703"],"url":"https://o3.security/vulnerability/CVE-2018-5269","summary":"Reachable Assertion in OpenCV.","details":"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.","published":"2018-01-08T05:29:00.367Z","modified":"2026-10-10T10:45:06.821802482Z","cvss":{"score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"PyPI","name":"opencv-python","fixedVersion":"3.4.1.15"},{"ecosystem":"PyPI","name":"opencv-contrib-python","fixedVersion":"3.4.1.15"}],"fix":{"url":"https://github.com/opencv/opencv/pull/10563","label":"opencv/opencv#10563"},"references":[{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/106945"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2018/04/msg00019.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2018/07/msg00030.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/10/msg00028.html"},{"type":"REPORT","url":"https://github.com/opencv/opencv/issues/10540"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2018-5269"},{"type":"WEB","url":"https://github.com/opencv/opencv/pull/10563"},{"type":"PACKAGE","url":"https://github.com/opencv/opencv-python"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-10T10:45:06.821802482Z"}}