{"id":"CVE-2018-5268","aliases":["GHSA-9g8h-pjm4-q92p","PYSEC-2026-2814","PYSEC-2026-705"],"url":"https://o3.security/vulnerability/CVE-2018-5268","summary":"Out-of-bounds Write in OpenCV.","details":"In OpenCV 3.3.1, a heap-based buffer overflow happens in cv::Jpeg2KDecoder::readComponent8u in modules/imgcodecs/src/grfmt_jpeg2000.cpp when parsing a crafted image file.","published":"2018-01-08T05:29:00.320Z","modified":"2026-07-13T16:43:19.819306466Z","cvss":{"score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"PyPI","name":"opencv-python","fixedVersion":"3.4.1.15"},{"ecosystem":"PyPI","name":"opencv-contrib-python","fixedVersion":"3.4.1.15"}],"fix":null,"references":[{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/106945"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2018/04/msg00019.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2018/07/msg00030.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/10/msg00028.html"},{"type":"REPORT","url":"https://github.com/opencv/opencv/issues/10541"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-13T16:43:19.819306466Z"}}