{"id":"CVE-2017-18009","aliases":["GHSA-83rh-hx5x-q9p5","PYSEC-2026-2810","PYSEC-2026-702"],"title":"Out-of-bounds Read in OpenCV","summary":"Out-of-bounds Read in OpenCV","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","vendor":"opencv-python","product":"opencv-python","ecosystem":"pip","affected":["opencv-python < 3.4.1.15","opencv-contrib-python < 3.4.1.15"],"patched":["opencv-python 3.4.1.15","opencv-contrib-python 3.4.1.15"],"published":"2021-10-12","updated":"2026-09-10","sourceUpdated":"2026-09-10T03:49:09.188874406Z","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-83rh-hx5x-q9p5","references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-18009"},{"url":"https://github.com/opencv/opencv/issues/10479"},{"url":"https://github.com/opencv/opencv/pull/10480/commits/4ca89db22dea962690f31c1781bce5937ee91837"},{"url":"https://github.com/opencv/opencv-python"},{"url":"http://www.securityfocus.com/bid/106945"}],"tags":["osv","pip"],"epss":0.02103,"epssPercentile":0.80649,"ingestedAt":"2026-07-08T18:25:47.285Z","slug":"CVE-2017-18009","body":"## Overview\n\nIn 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.\n\n## Affected packages\n\n- `opencv-python < 3.4.1.15`\n- `opencv-contrib-python < 3.4.1.15`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `opencv-python 3.4.1.15`\n- `opencv-contrib-python 3.4.1.15`","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":41.3,"likelihood":0.4,"exploitation":0,"ransomware":0},"changes":[]}