{"id":"GHSA-89rj-5ggj-3p9p","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.","aliases":["CVE-2018-5269","PYSEC-2026-2812","PYSEC-2026-703"],"modified":"2026-08-24T00:34:18.095302531Z","published":"2021-10-12T22:03:41Z","database_specific":{"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2021-10-07T19:49:56Z","nvd_published_at":"2018-01-08T05:29:00Z","cwe_ids":["CWE-617"]},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2018-5269"},{"type":"WEB","url":"https://github.com/opencv/opencv/issues/10540"},{"type":"WEB","url":"https://github.com/opencv/opencv/pull/10563"},{"type":"PACKAGE","url":"https://github.com/opencv/opencv-python"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2018/04/msg00019.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2018/07/msg00030.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2021/10/msg00028.html"},{"type":"WEB","url":"http://www.securityfocus.com/bid/106945"}],"affected":[{"package":{"name":"opencv-python","ecosystem":"PyPI","purl":"pkg:pypi/opencv-python"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.1.15"}]}],"versions":["3.4.0.14"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/10/GHSA-89rj-5ggj-3p9p/GHSA-89rj-5ggj-3p9p.json","last_known_affected_version_range":"\u003c= 3.3.1.11"}},{"package":{"name":"opencv-contrib-python","ecosystem":"PyPI","purl":"pkg:pypi/opencv-contrib-python"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.1.15"}]}],"database_specific":{"last_known_affected_version_range":"\u003c= 3.3.1.11","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/10/GHSA-89rj-5ggj-3p9p/GHSA-89rj-5ggj-3p9p.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}