{"id":"GHSA-83rh-hx5x-q9p5","summary":"Out-of-bounds Read in OpenCV","details":"In OpenCV 3.3.1 (corresponding with OpenCV-Python 3.3.1.11), a heap-based buffer over-read exists in the function cv::HdrDecoder::checkSignature in modules/imgcodecs/src/grfmt_hdr.cpp.","aliases":["CVE-2017-18009","PYSEC-2026-2810","PYSEC-2026-702"],"modified":"2026-09-10T03:49:09.188874406Z","published":"2021-10-12T22:03:23Z","database_specific":{"cwe_ids":["CWE-125"],"severity":"HIGH","github_reviewed":true,"github_reviewed_at":"2021-10-07T20:17:07Z","nvd_published_at":null},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2017-18009"},{"type":"WEB","url":"https://github.com/opencv/opencv/issues/10479"},{"type":"WEB","url":"https://github.com/opencv/opencv/pull/10480/commits/4ca89db22dea962690f31c1781bce5937ee91837"},{"type":"PACKAGE","url":"https://github.com/opencv/opencv-python"},{"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":{"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-83rh-hx5x-q9p5/GHSA-83rh-hx5x-q9p5.json"}},{"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-83rh-hx5x-q9p5/GHSA-83rh-hx5x-q9p5.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}