{"id":"CVE-2019-14493","aliases":["DEBIAN-CVE-2019-14493","DLA-2799-1","EUVD-2021-2144","GHSA-3448-vrgh-85xr","PYSEC-2026-2795","PYSEC-2026-2806","PYSEC-2026-2834","PYSEC-2026-718","UBUNTU-CVE-2019-14493","USN-4818-1","USN-7247-1"],"status":"published","title":"NULL Pointer Dereference in OpenCV.","description":"An issue was discovered in OpenCV before 4.1.1. 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There is a NULL pointer dereference in the function cv::XMLParser::parse at modules/core/src/persistence.cpp.","status":"published","published":"2026-07-09T16:49:36.572106Z","modified":"2026-07-13T16:43:40.956572771Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:56.429374Z"},{"id":"PYSEC-2026-718","title":"NULL Pointer Dereference in OpenCV.","description":"An issue was discovered in OpenCV before 4.1.1 (OpenCV-Python before 4.1.1.26). There is a NULL pointer dereference in the function cv::XMLParser::parse at modules/core/src/persistence.cpp.","status":"published","published":"2026-07-02T14:13:12.865105Z","modified":"2026-07-13T16:43:40.956572771Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:58.117212Z"},{"id":"UBUNTU-CVE-2019-14493","description":"An issue was discovered in OpenCV before 4.1.1. There is a NULL pointer dereference in the function cv::XMLParser::parse at modules/core/src/persistence.cpp.","status":"published","published":"2019-08-01T17:15:00Z","modified":"2026-04-22T12:10:14.392851Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"},{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:19.6877Z"},{"id":"DLA-2799-1","title":"opencv - security update","status":"published","published":"2021-10-29T00:00:00Z","modified":"2026-03-09T01:22:59.211489Z","updated_at":"2026-11-02T15:46:11.189256Z"},{"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"},{"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"}]}}