{"id":"ECHO-2a21-79f8-f2c6","upstream":["CVE-2008-1688"],"severity":[],"modified":"2026-01-01T15:15:03.855Z","affected":[{"package":{"ecosystem":"Echo","name":"m4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.11"}]}]}],"references":[{"type":"WEB","url":"https://advisory.echohq.com/cve/CVE-2008-1688"}]}