{"id":"JLSEC-2026-543","details":"OpenJPEG through 2.3.1 has a heap-based buffer overflow in `opj_t1_clbl_decode_processor` in `openjp2/t1.c` because of lack of `opj_j2k_update_image_dimensions` validation.","modified":"2026-07-25T18:25:13.787506922Z","published":"2026-05-26T19:31:24.313Z","upstream":["CVE-2020-6851"],"database_specific":{"license":"CC-BY-4.0","sources":[{"database_specific":{"status":"Modified"},"id":"CVE-2020-6851","imported":"2026-07-17T22:06:23.117Z","modified":"2026-06-17T03:23:55.203Z","published":"2020-01-13T06:15:10.957Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2020-6851","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2020-6851"}]},"references":[{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2020:0262"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2020:0274"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2020:0296"},{"type":"WEB","url":"https://github.com/uclouvain/openjpeg/issues/1228"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2020/01/msg00025.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2020/07/msg00008.html"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LACIIDDCKZJEPKTTFILSOSBQL7L3FC6V/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XBRMI2D3XPVWKE3V52KRBW7BJVLS5LD3/"},{"type":"WEB","url":"https://www.debian.org/security/2021/dsa-4882"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpujul2020.html"}],"affected":[{"package":{"name":"OpenJpeg_jll","ecosystem":"Julia","purl":"pkg:julia/OpenJpeg_jll?uuid=643b3616-a352-519d-856d-80112ee9badc"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.4.0+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-543.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V2","score":"AV:N/AC:L/Au:N/C:N/I:N/A:P"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}