{"id":"JLSEC-2026-541","details":"A flaw was found in openjpeg's `src/lib/openjp2/t2.c` in versions prior to 2.4.0. This flaw allows an attacker to provide crafted input to openjpeg during conversion and encoding, causing an out-of-bounds write. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.","modified":"2026-07-25T18:25:12.804824223Z","published":"2026-05-26T19:31:24.313Z","upstream":["CVE-2020-27844"],"database_specific":{"license":"CC-BY-4.0","sources":[{"modified":"2026-06-17T03:09:43.637Z","published":"2021-01-05T18:15:14.147Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2020-27844","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2020-27844","database_specific":{"status":"Modified"},"id":"CVE-2020-27844","imported":"2026-07-17T22:06:10.880Z"}]},"references":[{"type":"WEB","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1907521"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2021/02/msg00011.html"},{"type":"WEB","url":"https://security.gentoo.org/glsa/202101-29"},{"type":"WEB","url":"https://www.oracle.com//security-alerts/cpujul2021.html"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpuApr2021.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-2026-541.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V2","score":"AV:N/AC:M/Au:N/C:P/I:P/A:C"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}