{"id":"CVE-2019-16249","aliases":["EUVD-2021-2272","GHSA-x3rm-644h-67m8","PYSEC-2026-2803","PYSEC-2026-2833","PYSEC-2026-2842","PYSEC-2026-726","UBUNTU-CVE-2019-16249","USN-7247-1"],"status":"published","title":"Out-of-bounds Read in OpenCV","description":"OpenCV 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.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01676,"percentile":0.77031,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125"],"published":"2019-09-11T22:19:33Z","modified":"2026-10-31T02:46:03Z","fixes":[{"ecosystem":"PyPI","package":"opencv-python","fixed_in":["4.1.2.30"],"sources":["ghsa","osv"]},{"ecosystem":"PyPI","package":"opencv-python-headless","fixed_in":["4.1.2.30"],"sources":["ghsa","osv"]},{"ecosystem":"PyPI","package":"opencv-contrib-python","fixed_in":["4.1.2.30"],"sources":["ghsa","osv"]},{"ecosystem":"PyPI","package":"opencv-contrib-python-headless","fixed_in":["4.1.2.30"],"sources":["ghsa","osv"]},{"ecosystem":"Ubuntu:Pro:18.04:LTS","package":"opencv","fixed_in":["3.2.0+dfsg-4ubuntu0.1+esm4"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"opencv-python","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"4.1.1.26"},{"fixed":"4.1.2.30"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"opencv-python-headless","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"4.1.1.26"},{"fixed":"4.1.2.30"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"opencv-contrib-python","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"4.1.1.26"},{"fixed":"4.1.2.30"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"opencv-contrib-python-headless","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"4.1.1.26"},{"fixed":"4.1.2.30"}]}]},{"source":"osv","ecosystem":"PyPI","package":"opencv-python","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.2.30"}]}],"versions":["3.4.0.14","3.4.1.15","3.4.10.35","3.4.10.37","3.4.11.39","3.4.11.41","3.4.11.43","3.4.11.45","3.4.13.47","3.4.14.51","3.4.14.53","3.4.15.55","3.4.16.57","3.4.16.59","3.4.17.61","3.4.17.63","3.4.18.65","3.4.2.17","3.4.3.18","3.4.4.19","3.4.5.20","3.4.6.27","3.4.7.28","3.4.8.29","3.4.9.31","3.4.9.33","4.0.0.21","4.0.1.23","4.0.1.24","4.1.0.25","4.1.1.26"]},{"source":"osv","ecosystem":"PyPI","package":"opencv-python-headless","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.2.30"}]}],"versions":["3.4.10.37","3.4.11.39","3.4.11.41","3.4.11.43","3.4.11.45","3.4.13.47","3.4.14.51","3.4.14.53","3.4.15.55","3.4.16.57","3.4.16.59","3.4.17.61","3.4.17.63","3.4.18.65","3.4.3.18","3.4.4.19","3.4.5.20","3.4.6.27","3.4.7.28","3.4.8.29","3.4.9.33","4.0.0.21","4.0.1.24","4.1.0.25","4.1.1.26"]},{"source":"osv","ecosystem":"PyPI","package":"opencv-contrib-python","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.2.30"}]}],"versions":["3.4.10.35","3.4.10.37","3.4.11.39","3.4.11.41","3.4.11.43","3.4.11.45","3.4.13.47","3.4.14.51","3.4.14.53","3.4.15.55","3.4.16.57","3.4.16.59","3.4.17.61","3.4.17.63","3.4.18.65","3.4.2.17","3.4.3.18","3.4.4.19","3.4.5.20","3.4.6.27","3.4.7.28","3.4.8.29","3.4.9.31","3.4.9.33","4.0.0.21","4.0.1.23","4.0.1.24","4.1.0.25","4.1.1.26"]},{"source":"osv","ecosystem":"PyPI","package":"opencv-contrib-python-headless","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.2.30"}]}],"versions":["3.4.0.14","3.4.10.37","3.4.11.41","3.4.11.43","3.4.11.45","3.4.13.47","3.4.14.51","3.4.14.53","3.4.15.55","3.4.16.57","3.4.16.59","3.4.17.61","3.4.17.63","3.4.18.65","3.4.2.17","3.4.3.18","3.4.4.19","3.4.5.20","3.4.6.27","3.4.7.28","3.4.8.29","3.4.9.33","4.0.0.21","4.0.1.23","4.0.1.24","4.1.0.25","4.1.1.26"]},{"source":"osv","ecosystem":"PyPI","package":"opencv-contrib-python","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.2.30"}]}],"versions":["3.4.10.35","3.4.10.37","3.4.11.39","3.4.11.41","3.4.11.43","3.4.11.45","3.4.13.47","3.4.14.51","3.4.14.53","3.4.15.55","3.4.16.57","3.4.16.59","3.4.17.61","3.4.17.63","3.4.18.65","3.4.2.17","3.4.3.18","3.4.4.19","3.4.5.20","3.4.6.27","3.4.7.28","3.4.8.29","3.4.9.31","3.4.9.33","4.0.0.21","4.0.1.23","4.0.1.24","4.1.0.25","4.1.1.26"]},{"source":"osv","ecosystem":"PyPI","package":"opencv-python","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.2.30"}]}],"versions":["3.4.0.14","3.4.1.15","3.4.10.35","3.4.10.37","3.4.11.39","3.4.11.41","3.4.11.43","3.4.11.45","3.4.13.47","3.4.14.51","3.4.14.53","3.4.15.55","3.4.16.57","3.4.16.59","3.4.17.61","3.4.17.63","3.4.18.65","3.4.2.16","3.4.2.17","3.4.3.18","3.4.4.19","3.4.5.20","3.4.6.27","3.4.7.28","3.4.8.29","3.4.9.31","3.4.9.33","4.0.0.21","4.0.1.23","4.0.1.24","4.1.0.25","4.1.1.26"]},{"source":"osv","ecosystem":"PyPI","package":"opencv-python-headless","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.2.30"}]}],"versions":["3.4.10.37","3.4.11.39","3.4.11.41","3.4.11.43","3.4.11.45","3.4.13.47","3.4.14.51","3.4.14.53","3.4.15.55","3.4.16.57","3.4.16.59","3.4.17.61","3.4.17.63","3.4.18.65","3.4.3.18","3.4.4.19","3.4.5.20","3.4.6.27","3.4.7.28","3.4.8.29","3.4.9.33","4.0.0.21","4.0.1.24","4.1.0.25","4.1.1.26"]},{"source":"osv","ecosystem":"PyPI","package":"opencv-contrib-python-headless","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.2.30"}]}],"versions":["3.4.0.14","3.4.1.15","3.4.10.37","3.4.11.39","3.4.11.41","3.4.11.43","3.4.11.45","3.4.13.47","3.4.14.51","3.4.14.53","3.4.15.55","3.4.16.57","3.4.16.59","3.4.17.61","3.4.17.63","3.4.18.65","3.4.2.17","3.4.3.18","3.4.4.19","3.4.5.20","3.4.6.27","3.4.7.28","3.4.8.29","3.4.9.33","4.0.0.21","4.0.1.23","4.0.1.24","4.1.0.25","4.1.1.26"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"opencv","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.0+dfsg-4ubuntu0.1+esm4"}]}],"versions":["3.1.0+dfsg1-1~exp1ubuntu3","3.2.0+dfsg-3","3.2.0+dfsg-4","3.2.0+dfsg-4build1","3.2.0+dfsg-4build2","3.2.0+dfsg-4ubuntu0.1","3.2.0+dfsg-4ubuntu0.1+esm2","3.2.0+dfsg-4ubuntu0.1+esm3"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"opencv","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.0+dfsg-4ubuntu0.1+esm4"}]}],"versions":["3.1.0+dfsg1-1~exp1ubuntu3","3.2.0+dfsg-3","3.2.0+dfsg-4","3.2.0+dfsg-4build1","3.2.0+dfsg-4build2","3.2.0+dfsg-4ubuntu0.1","3.2.0+dfsg-4ubuntu0.1+esm2","3.2.0+dfsg-4ubuntu0.1+esm3"],"bundled":5},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"opencv","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.4+dfsg-9ubuntu4+esm1"}]}],"versions":["4.5.3+dfsg-1ubuntu1","4.5.4+dfsg-9ubuntu2","4.5.4+dfsg-9ubuntu4"],"bundled":5}],"products":[{"vendor":"opencv","product":"opencv"}],"references":[{"url":"https://github.com/opencv/opencv/issues/15481","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-16249","tags":["advisory"]},{"url":"https://github.com/opencv/opencv/pull/15531","tags":["web"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1752702","tags":["Patch","Third Party Advisory","fix","web"]},{"url":"https://github.com/opencv/opencv-python/releases/tag/30","tags":["web"]},{"url":"https://github.com/advisories/GHSA-x3rm-644h-67m8","tags":["advisory"]},{"url":"https://github.com/opencv/opencv-python","tags":["package"]},{"url":"https://pypi.org/project/opencv-contrib-python","tags":["package"]},{"url":"https://pypi.org/project/opencv-python","tags":["package"]},{"url":"https://pypi.org/project/opencv-python-headless","tags":["package"]},{"url":"https://pypi.org/project/opencv-contrib-python-headless","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2019-16249","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-16249","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-7247-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2019-14493","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2019-19624","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-2617","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-2618","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2019-16249","description":"OpenCV 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.","status":"published","published":"2019-09-11T22:19:33Z","modified":"2024-08-05T01:10:41.715Z","updated_at":"2026-11-02T14:32:23.485011Z"}],"euvd":[{"id":"EUVD-2021-2272","description":"OpenCV 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.","status":"published","published":"2019-09-11T22:19:33Z","modified":"2024-08-05T01:10:41Z","updated_at":"2026-11-03T02:40:33.179924Z"}],"ghsa":[{"id":"GHSA-x3rm-644h-67m8","title":"Out-of-bounds Read in OpenCV","description":"OpenCV 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.","status":"published","published":"2021-10-12T22:22:05Z","modified":"2023-02-01T05:06:27Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:36:39.086869Z"}],"nvd":[{"id":"CVE-2019-16249","description":"OpenCV 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.","status":"published","published":"2019-09-11T23:15:14.377Z","modified":"2026-06-17T02:21:59.767Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:05:28.126831Z"}],"osv":[{"id":"CVE-2019-16249","description":"OpenCV 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.","status":"published","published":"2019-09-11T23:15:14.377Z","modified":"2026-10-31T02:46:03.558907631Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:11.361782Z"},{"id":"GHSA-x3rm-644h-67m8","title":"Out-of-bounds Read in OpenCV","description":"OpenCV 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.","status":"published","published":"2021-10-12T22:22:05Z","modified":"2026-09-10T03:49:09.476209286Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:46:59.484835Z"},{"id":"PYSEC-2026-2803","title":"Out-of-bounds Read in OpenCV","description":"OpenCV 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.","status":"published","published":"2026-07-09T16:49:37.253446Z","modified":"2026-07-13T16:43:43.859043111Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:56.429374Z"},{"id":"PYSEC-2026-2833","title":"Out-of-bounds Read in OpenCV","description":"OpenCV 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.","status":"published","published":"2026-07-09T16:49:37.068984Z","modified":"2026-07-13T16:43:43.859043111Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:56.429374Z"},{"id":"PYSEC-2026-2842","title":"Out-of-bounds Read in OpenCV","description":"OpenCV 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.","status":"published","published":"2026-07-09T16:49:37.162516Z","modified":"2026-07-13T16:43:43.859043111Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:56.429374Z"},{"id":"PYSEC-2026-726","title":"Out-of-bounds Read in OpenCV","description":"OpenCV 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.","status":"published","published":"2026-07-02T14:13:13.066573Z","modified":"2026-07-13T16:43:43.859043111Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:58.117212Z"},{"id":"UBUNTU-CVE-2019-16249","description":"OpenCV 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.","status":"published","published":"2019-09-11T23:15:00Z","modified":"2026-04-22T12:02:19.022846Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:20.325378Z"},{"id":"USN-7247-1","title":"opencv vulnerabilities","description":"It was discovered that OpenCV did not properly manage certain XML data,\nleading to a NULL pointer dereference. If a user were tricked into\nloading a specially crafted file, a remote attacker could possibly use\nthis issue to make OpenCV crash, resulting in a denial of service.\nThis issue only affected Ubuntu 18.04 LTS. (CVE-2019-14493)\n\nIt was discovered that OpenCV may perform out-of-bounds reads in certain\nsituations. An attacker could possibly use this issue to cause OpenCV to\ncrash, resulting in a denial of service, or the execution of arbitrary\ncode. This issue only affected Ubuntu 18.04 LTS.\n(CVE-2019-16249, CVE-2019-19624)\n\nIt was discovered that the QR code module of OpenCV incorrectly processed\ncertain maliciously crafted QR codes. A remote attacker could possibly use\nthis issue to cause OpenCV to crash, resulting in a denial of service.\nThis issue only affected Ubuntu 22.04 LTS. (CVE-2023-2617, CVE-2023-2618)\n","status":"published","published":"2025-02-03T13:46:02Z","modified":"2026-04-27T17:47:13.44901738Z","updated_at":"2026-11-02T16:58:18.876384Z"}]}}