{"cve":"CVE-2019-19624","nvd":{"published":"2019-12-06T15:15:10.330","modified":"2026-06-17T02:26:58.000","status":"Modified","description":"An out-of-bounds read was discovered in OpenCV before 4.1.1. Specifically, variable coarsest_scale is assumed to be greater than or equal to finest_scale within the calc()/ocl_calc() functions in dis_flow.cpp. However, this is not true when dealing with small images, leading to an out-of-bounds read of the heap-allocated arrays Ux and Uy.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","score":6.5},"cwes":["CWE-125"],"references":["https://github.com/opencv/opencv/commit/d1615ba11a93062b1429fce9f0f638d1572d3418","https://github.com/opencv/opencv/issues/14554","https://access.redhat.com/security/cve/cve-2019-19624","https://github.com/opencv/opencv/commit/d1615ba11a93062b1429fce9f0f638d1572d3418","https://github.com/opencv/opencv/issues/14554"],"products":["opencv:opencv","redhat:enterprise_linux"],"source":"nvd","synced_at":"2026-10-19T20:59:27.069234358+00:00"},"epss":{"cve":"CVE-2019-19624","score":0.01756,"percentile":0.77946,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-jggw-2q6g-c3m6","url":"https://osv.dev/vulnerability/GHSA-jggw-2q6g-c3m6","summary":"Out-of-bounds Read in OpenCV","modified":"2026-09-10T03:49:09.240143626Z","packages":[{"ecosystem":"PyPI","name":"opencv-python","purl":"pkg:pypi/opencv-python","ranges":["<4.1.0.25"],"fixed":["4.1.0.25"]},{"ecosystem":"PyPI","name":"opencv-python-headless","purl":"pkg:pypi/opencv-python-headless","ranges":["<4.1.0.25"],"fixed":["4.1.0.25"]},{"ecosystem":"PyPI","name":"opencv-contrib-python","purl":"pkg:pypi/opencv-contrib-python","ranges":["<4.1.0.25"],"fixed":["4.1.0.25"]},{"ecosystem":"PyPI","name":"opencv-contrib-python-headless","purl":"pkg:pypi/opencv-contrib-python-headless","ranges":["<4.1.0.25"],"fixed":["4.1.0.25"]}]},{"id":"PYSEC-2026-2800","url":"https://osv.dev/vulnerability/PYSEC-2026-2800","summary":"Out-of-bounds Read in OpenCV","modified":"2026-07-13T16:42:38.267494498Z","packages":[{"ecosystem":"PyPI","name":"opencv-contrib-python","purl":"pkg:pypi/opencv-contrib-python","ranges":["<4.1.0.25"],"fixed":["4.1.0.25"]}]},{"id":"PYSEC-2026-2824","url":"https://osv.dev/vulnerability/PYSEC-2026-2824","summary":"Out-of-bounds Read in OpenCV","modified":"2026-07-13T16:42:38.267494498Z","packages":[{"ecosystem":"PyPI","name":"opencv-python","purl":"pkg:pypi/opencv-python","ranges":["<4.1.0.25"],"fixed":["4.1.0.25"]}]},{"id":"PYSEC-2026-2839","url":"https://osv.dev/vulnerability/PYSEC-2026-2839","summary":"Out-of-bounds Read in OpenCV","modified":"2026-07-13T16:42:38.267494498Z","packages":[{"ecosystem":"PyPI","name":"opencv-python-headless","purl":"pkg:pypi/opencv-python-headless","ranges":["<4.1.0.25"],"fixed":["4.1.0.25"]}]},{"id":"PYSEC-2026-723","url":"https://osv.dev/vulnerability/PYSEC-2026-723","summary":"Out-of-bounds Read in OpenCV","modified":"2026-07-13T16:42:38.267494498Z","packages":[{"ecosystem":"PyPI","name":"opencv-contrib-python-headless","purl":"pkg:pypi/opencv-contrib-python-headless","ranges":["<4.1.0.25"],"fixed":["4.1.0.25"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}