{"id":"RHSA-2026:1823","summary":"Red Hat Security Advisory: JMC bug fix and enhancement update","modified":"2026-03-18T11:14:45Z","published":"2026-02-04T10:19:04Z","upstream":["CVE-2025-66566"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:1823"},{"type":"ARTICLE","url":"https://access.redhat.com/security/updates/classification/#important"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2419500"},{"type":"ADVISORY","url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_1823.json"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-66566"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2025-66566"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-66566"},{"type":"ARTICLE","url":"https://github.com/yawkat/lz4-java/commit/33d180cb70c4d93c80fb0dc3ab3002f457e93840"},{"type":"ARTICLE","url":"https://github.com/yawkat/lz4-java/security/advisories/GHSA-cmp6-m4wj-q63q"}],"affected":[{"package":{"name":"jmc","ecosystem":"Red Hat:rhel_eus:9.4::crb","purl":"pkg:rpm/redhat/jmc"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:8.2.0-17.el9_4.2"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:1823.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}