{"id":"JLSEC-2026-540","details":"A flaw was found in OpenJPEG in versions prior to 2.4.0. This flaw allows an attacker to provide specially crafted input to the conversion or encoding functionality, causing an out-of-bounds read. The highest threat from this vulnerability is system availability.","modified":"2026-05-26T19:45:03.107264865Z","published":"2026-05-26T19:31:24.313Z","upstream":["CVE-2020-27843"],"database_specific":{"sources":[{"url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2020-27843","modified":"2024-11-21T05:21:55.097Z","published":"2021-01-05T18:15:14.083Z","id":"CVE-2020-27843","imported":"2026-05-25T01:08:37.201Z","database_specific":{"status":"Modified"},"html_url":"https://nvd.nist.gov/vuln/detail/CVE-2020-27843"}],"license":"CC-BY-4.0"},"references":[{"type":"WEB","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1907516"},{"type":"WEB","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1907516"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2022/04/msg00006.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2022/04/msg00006.html"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJUPGIZE6A4O52EBOF75MCXJOL6MUCRV/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJUPGIZE6A4O52EBOF75MCXJOL6MUCRV/"},{"type":"WEB","url":"https://security.gentoo.org/glsa/202101-29"},{"type":"WEB","url":"https://security.gentoo.org/glsa/202101-29"},{"type":"WEB","url":"https://www.debian.org/security/2021/dsa-4882"},{"type":"WEB","url":"https://www.debian.org/security/2021/dsa-4882"},{"type":"WEB","url":"https://www.oracle.com//security-alerts/cpujul2021.html"},{"type":"WEB","url":"https://www.oracle.com//security-alerts/cpujul2021.html"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpuApr2021.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-2026-540.json"}}],"schema_version":"1.7.5"}