{"id":"CVE-2019-14491","aliases":["DEBIAN-CVE-2019-14491","EUVD-2021-2195","GHSA-fm39-cw8h-3p63","MGASA-2020-0030","PYSEC-2026-2797","PYSEC-2026-2818","PYSEC-2026-2836","PYSEC-2026-720","SUSE-SU-2019:3192-1","SUSE-SU-2019:3192-2","UBUNTU-CVE-2019-14491","USN-4818-1","openSUSE-SU-2019:2671-1","openSUSE-SU-2024:11115-1","openSUSE-SU-2024:11116-1"],"status":"published","title":"Out-of-bounds Read in OpenCV","description":"An issue was discovered in OpenCV before 3.4.7 and 4.x before 4.1.1. 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service.","severity":{"version":"3.0","score":8.2,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02891,"percentile":0.87,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125"],"published":"2019-08-01T16:04:44Z","modified":"2026-10-31T07:05:17Z","fixes":[{"ecosystem":"PyPI","package":"opencv-python","fixed_in":["3.4.7.28","4.1.1.26"],"sources":["ghsa","osv"]},{"ecosystem":"PyPI","package":"opencv-python-headless","fixed_in":["3.4.7.28","4.1.1.26"],"sources":["ghsa","osv"]},{"ecosystem":"PyPI","package":"opencv-contrib-python","fixed_in":["3.4.7.28","4.1.1.26"],"sources":["ghsa","osv"]},{"ecosystem":"PyPI","package":"opencv-contrib-python-headless","fixed_in":["3.4.7.28","4.1.1.26"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"opencv","fixed_in":["4.1.2+dfsg-3"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"opencv","fixed_in":["4.1.2+dfsg-3"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"opencv","fixed_in":["4.1.2+dfsg-3"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:18.04:LTS","package":"opencv","fixed_in":["3.2.0+dfsg-4ubuntu0.1+esm2"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"opencv-python","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"3.4.6.27"},{"fixed":"3.4.7.28"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"opencv-python","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0.21"},{"last_affected":"4.1.0.25"},{"fixed":"4.1.1.26"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"opencv-python-headless","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"3.4.6.27"},{"fixed":"3.4.7.28"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"opencv-python-headless","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0.21"},{"last_affected":"4.1.0.25"},{"fixed":"4.1.1.26"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"opencv-contrib-python","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"3.4.6.27"},{"fixed":"3.4.7.28"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"opencv-contrib-python","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0.21"},{"last_affected":"4.1.0.25"},{"fixed":"4.1.1.26"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"opencv-contrib-python-headless","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"3.4.6.27"},{"fixed":"3.4.7.28"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"opencv-contrib-python-headless","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0.21"},{"last_affected":"4.1.0.25"},{"fixed":"4.1.1.26"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"opencv","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.2+dfsg-3"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"opencv","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.2+dfsg-3"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"opencv","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.2+dfsg-3"}]}]},{"source":"osv","ecosystem":"PyPI","package":"opencv-python","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.7.28"}]}],"versions":["3.4.0.14","3.4.1.15","3.4.2.17","3.4.3.18","3.4.4.19","3.4.5.20","3.4.6.27"]},{"source":"osv","ecosystem":"PyPI","package":"opencv-python","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0.21"},{"fixed":"4.1.1.26"}]}],"versions":["4.0.0.21","4.0.1.23","4.0.1.24","4.1.0.25"]},{"source":"osv","ecosystem":"PyPI","package":"opencv-python-headless","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.7.28"}]}],"versions":["3.4.3.18","3.4.4.19","3.4.5.20","3.4.6.27"]},{"source":"osv","ecosystem":"PyPI","package":"opencv-python-headless","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0.21"},{"fixed":"4.1.1.26"}]}],"versions":["4.0.0.21","4.0.1.24","4.1.0.25"]},{"source":"osv","ecosystem":"PyPI","package":"opencv-contrib-python","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.7.28"}]}],"versions":["3.4.2.17","3.4.3.18","3.4.4.19","3.4.5.20","3.4.6.27"]},{"source":"osv","ecosystem":"PyPI","package":"opencv-contrib-python","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0.21"},{"fixed":"4.1.1.26"}]}],"versions":["4.0.0.21","4.0.1.23","4.0.1.24","4.1.0.25"]},{"source":"osv","ecosystem":"PyPI","package":"opencv-contrib-python-headless","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.7.28"}]}],"versions":["3.4.0.14","3.4.2.17","3.4.3.18","3.4.4.19","3.4.5.20","3.4.6.27"]},{"source":"osv","ecosystem":"PyPI","package":"opencv-contrib-python-headless","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0.21"},{"fixed":"4.1.1.26"}]}],"versions":["4.0.0.21","4.0.1.23","4.0.1.24","4.1.0.25"]},{"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There is an out of bounds read in the function cv::predictOrdered\u003ccv::HaarEvaluator\u003e in modules/objdetect/src/cascadedetect.hpp, which leads to denial of service.","status":"published","published":"2021-10-12T22:07:14Z","modified":"2026-09-10T03:49:09.274722548Z","cvss":[{"version":"3.0","score":8.2,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:46:46.760785Z"},{"id":"PYSEC-2026-2797","title":"Out-of-bounds Read in OpenCV","description":"An issue was discovered in OpenCV before 3.4.7 and 4.x before 4.1.1 (OpenCV-Python before 3.4.7.28 and 4.x before 4.1.1.26). There is an out of bounds read in the function cv::predictOrdered\u003ccv::HaarEvaluator\u003e in modules/objdetect/src/cascadedetect.hpp, which leads to denial of service.","status":"published","published":"2026-07-09T16:49:36.082717Z","modified":"2026-07-13T16:43:43.67816329Z","cvss":[{"version":"3.0","score":8.2,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:55.961245Z"},{"id":"PYSEC-2026-2818","title":"Out-of-bounds Read in OpenCV","description":"An issue was discovered in OpenCV before 3.4.7 and 4.x before 4.1.1 (OpenCV-Python before 3.4.7.28 and 4.x before 4.1.1.26). There is an out of bounds read in the function cv::predictOrdered\u003ccv::HaarEvaluator\u003e in modules/objdetect/src/cascadedetect.hpp, which leads to denial of service.","status":"published","published":"2026-07-09T16:49:35.814821Z","modified":"2026-07-13T16:43:43.67816329Z","cvss":[{"version":"3.0","score":8.2,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:56.429374Z"},{"id":"PYSEC-2026-2836","title":"Out-of-bounds Read in OpenCV","description":"An issue was discovered in OpenCV before 3.4.7 and 4.x before 4.1.1 (OpenCV-Python before 3.4.7.28 and 4.x before 4.1.1.26). There is an out of bounds read in the function cv::predictOrdered\u003ccv::HaarEvaluator\u003e in modules/objdetect/src/cascadedetect.hpp, which leads to denial of service.","status":"published","published":"2026-07-09T16:49:35.914332Z","modified":"2026-07-13T16:43:43.67816329Z","cvss":[{"version":"3.0","score":8.2,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:56.429374Z"},{"id":"PYSEC-2026-720","title":"Out-of-bounds Read in OpenCV","description":"An issue was discovered in OpenCV before 3.4.7 and 4.x before 4.1.1 (OpenCV-Python before 3.4.7.28 and 4.x before 4.1.1.26). There is an out of bounds read in the function cv::predictOrdered\u003ccv::HaarEvaluator\u003e in modules/objdetect/src/cascadedetect.hpp, which leads to denial of service.","status":"published","published":"2026-07-02T14:13:12.650176Z","modified":"2026-07-13T16:43:43.67816329Z","cvss":[{"version":"3.0","score":8.2,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:58.117212Z"},{"id":"UBUNTU-CVE-2019-14491","description":"An issue was discovered in OpenCV before 3.4.7 and 4.x before 4.1.1. There is an out of bounds read in the function cv::predictOrdered\u003ccv::HaarEvaluator\u003e in modules/objdetect/src/cascadedetect.hpp, which leads to denial of service.","status":"published","published":"2019-08-01T17:15:00Z","modified":"2026-04-22T12:10:13.584712Z","cvss":[{"version":"3.0","score":8.2,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:19.6877Z"},{"id":"MGASA-2020-0030","title":"Updated opencv packages fix security vulnerabilities","description":"The updated packages fix security vulnerabilities:\n\nAn issue was discovered in OpenCV before 3.4.7 and 4.x before 4.1.1.\nThere is an out of bounds read in the function cv::predictOrdered\n\u003ccv::HaarEvaluator\u003e in modules/objdetect/src/cascadedetect.hpp, which\nleads to denial of service. (CVE-2019-14491)\n\nAn issue was discovered in OpenCV before 3.4.7 and 4.x before 4.1.1.\nThere is an out of bounds read/write in the function HaarEvaluator::\nOptFeature::calc in modules/objdetect/src/cascadedetect.hpp, which\nleads to denial of service. (CVE-2019-14492)\n\nAn issue was discovered in OpenCV 4.1.0. There is a divide-by-zero error\nin cv::HOGDescriptor::getDescriptorSize in modules/objdetect/src/hog.cpp.\n(CVE-2019-15939)\n","status":"published","published":"2020-01-11T23:52:04Z","modified":"2026-04-16T04:41:38.965527719Z","updated_at":"2026-11-02T15:49:41.151324Z"},{"id":"openSUSE-SU-2019:2671-1","title":"Security update for opencv","description":"This update for opencv fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2019-14491: Fixed an out of bounds read in the function cv:predictOrdered\u003ccv:HaarEvaluator\u003e, leading to DOS (bsc#1144352).\n- CVE-2019-14492: Fixed an out of bounds read/write in the function HaarEvaluator:OptFeature:calc, which leads to denial of service (bsc#1144348).\n- CVE-2019-15939: Fixed a divide-by-zero error in cv:HOGDescriptor:getDescriptorSize (bsc#1149742).\n\nNon-security issue fixed:\n\n- Fixed an issue in opencv-devel that broke builds with 'No rule to make target opencv_calib3d-NOTFOUND' (bsc#1154091).\n\nThis update was imported from the SUSE:SLE-15:Update update project.","status":"published","published":"2019-12-11T09:15:03Z","modified":"2026-02-04T03:06:15.914156Z","updated_at":"2026-11-02T16:58:31.152112Z"},{"id":"openSUSE-SU-2024:11115-1","title":"libopencv4_5-4.5.2-2.2 on GA media","description":"These are all security issues fixed in the libopencv4_5-4.5.2-2.2 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:34:07.835697Z","updated_at":"2026-11-02T16:58:34.894275Z"},{"id":"openSUSE-SU-2024:11116-1","title":"libopencv3_4-3.4.10-3.3 on GA media","description":"These are all security issues fixed in the libopencv3_4-3.4.10-3.3 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:36:14.048092Z","updated_at":"2026-11-02T16:58:34.894275Z"},{"id":"SUSE-SU-2019:3192-1","title":"Security update for opencv","description":"This update for opencv fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2019-14491: Fixed an out of bounds read in the function cv:predictOrdered\u003ccv:HaarEvaluator\u003e, leading to DOS (bsc#1144352).\n- CVE-2019-14492: Fixed an out of bounds read/write in the function HaarEvaluator:OptFeature:calc, which leads to denial of service (bsc#1144348).\n- CVE-2019-15939: Fixed a divide-by-zero error in cv:HOGDescriptor:getDescriptorSize (bsc#1149742).\n\nNon-security issue fixed:\n\n- Fixed an issue in opencv-devel that broke builds with 'No rule to make target opencv_calib3d-NOTFOUND' (bsc#1154091).\n","status":"published","published":"2019-12-05T10:46:22Z","modified":"2026-02-04T04:18:17.866401Z","updated_at":"2026-11-02T15:53:47.06185Z"},{"id":"SUSE-SU-2019:3192-2","title":"Security update for opencv","description":"This update for opencv fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2019-14491: Fixed an out of bounds read in the function cv:predictOrdered\u003ccv:HaarEvaluator\u003e, leading to DOS (bsc#1144352).\n- CVE-2019-14492: Fixed an out of bounds read/write in the function HaarEvaluator:OptFeature:calc, which leads to denial of service (bsc#1144348).\n- CVE-2019-15939: Fixed a divide-by-zero error in cv:HOGDescriptor:getDescriptorSize (bsc#1149742).\n\nNon-security issue fixed:\n\n- Fixed an issue in opencv-devel that broke builds with 'No rule to make target opencv_calib3d-NOTFOUND' (bsc#1154091).\n","status":"published","published":"2020-07-08T07:53:37Z","modified":"2026-02-04T02:38:29.732117Z","updated_at":"2026-11-02T15:53:47.06185Z"},{"id":"USN-4818-1","title":"opencv vulnerabilities","description":"It was discovered that OpenCV did not properly manage certain\nobjects, leading to a divide-by-zero. If a user were tricked into\nloading a specially crafted file, a remote attacker could potentially use\nthis issue to cause a denial of service or possibly execute arbitrary\ncode. (CVE-2019-15939)\n\nIt was discovered that OpenCV did not properly manage certain files,\nleading to an out of bounds read. If a user were tricked into loading\na specially crafted file, a remote attacker could potentially use this\nissue to make OpenCV crash, resulting in a denial of service. This issue\nwas only fixed in Ubuntu 18.04 ESM. (CVE-2019-14491, CVE-2019-14492)\n\nIt 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 potentially use\nthis issue to make OpenCV crash, resulting in a denial of service. This\nissue was only fixed in Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.\n(CVE-2019-14493)\n\nIt was discovered that OpenCV did not properly manage certain files,\nleading to a heap-based buffer overflow. If a user were tricked into\nloading a specially crafted file, a remote attacker could potentially use\nthis issue to cause a denial of service or possibly execute arbitrary code.\nThis issue only affected Ubuntu 18.04 ESM. (CVE-2017-18009)\n","status":"published","published":"2022-09-28T14:52:46Z","modified":"2026-06-29T13:48:29.380560393Z","updated_at":"2026-11-02T16:58:15.159055Z"}]}}