{"id":"CVE-2019-16249","aliases":["GHSA-x3rm-644h-67m8","PYSEC-2026-2803","PYSEC-2026-2833","PYSEC-2026-2842","PYSEC-2026-726"],"title":"Out-of-bounds Read in OpenCV","summary":"Out-of-bounds Read in OpenCV","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","vendor":"opencv-python","product":"opencv-python","ecosystem":"pip","affected":["opencv-python < 4.1.2.30","opencv-python-headless < 4.1.2.30","opencv-contrib-python < 4.1.2.30","opencv-contrib-python-headless < 4.1.2.30"],"patched":["opencv-python 4.1.2.30","opencv-python-headless 4.1.2.30","opencv-contrib-python 4.1.2.30","opencv-contrib-python-headless 4.1.2.30"],"published":"2021-10-12","updated":"2026-09-10","sourceUpdated":"2026-09-10T03:49:09.476209286Z","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-x3rm-644h-67m8","references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-16249"},{"url":"https://github.com/opencv/opencv/issues/15481"},{"url":"https://github.com/opencv/opencv/pull/15531"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1752702"},{"url":"https://github.com/opencv/opencv-python"},{"url":"https://github.com/opencv/opencv-python/releases/tag/30"}],"tags":["osv","pip"],"epss":0.01676,"epssPercentile":0.75477,"ingestedAt":"2026-07-08T18:25:54.093Z","slug":"CVE-2019-16249","body":"## Overview\n\nOpenCV 4.1.1 has an out-of-bounds read in hal_baseline::v_load in core/hal/intrin_sse.hpp when called from computeSSDMeanNorm in modules/video/src/dis_flow.cpp.\n\n## Affected packages\n\n- `opencv-python < 4.1.2.30`\n- `opencv-python-headless < 4.1.2.30`\n- `opencv-contrib-python < 4.1.2.30`\n- `opencv-contrib-python-headless < 4.1.2.30`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `opencv-python 4.1.2.30`\n- `opencv-python-headless 4.1.2.30`\n- `opencv-contrib-python 4.1.2.30`\n- `opencv-contrib-python-headless 4.1.2.30`","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0.3,"exploitation":0,"ransomware":0},"changes":[]}