{"id":"ECHO-f06a-4d20-9755","modified":"2026-09-28T00:45:03.655509272Z","published":"2026-09-28T00:00:19.161Z","upstream":["CVE-2021-21409","GHSA-f256-j965-7f32"],"references":[{"type":"WEB","url":"https://advisory.echohq.com/cve/CVE-2021-21409"},{"type":"WEB","url":"https://github.com/advisories/GHSA-f256-j965-7f32"}],"affected":[{"package":{"name":"netty","ecosystem":"Echo:Maven","purl":"pkg:maven/netty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:4.1.48-4"}]}],"database_specific":{"source":"https://advisory.echohq.com/osv/ECHO-f06a-4d20-9755.json"}}],"schema_version":"1.9.0"}