{"schema_version":"1.3.1","id":"GO-2026-4740","modified":"2026-03-23T18:14:47Z","published":"2026-03-23T18:14:47Z","aliases":["GHSA-h9q6-hc68-35rp"],"summary":"Denial of service in github.com/shamaton/msgpack","details":"Denial of service in github.com/shamaton/msgpack","affected":[{"package":{"name":"github.com/shamaton/msgpack","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"ecosystem_specific":{}},{"package":{"name":"github.com/shamaton/msgpack/v2","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"ecosystem_specific":{}},{"package":{"name":"github.com/shamaton/msgpack/v3","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"ecosystem_specific":{}}],"references":[{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-h9q6-hc68-35rp"},{"type":"REPORT","url":"https://github.com/shamaton/msgpack/issues/59"},{"type":"WEB","url":"https://github.com/golang/vulndb/issues/4513"},{"type":"WEB","url":"https://securityinfinity.com/research/shamaton-msgpack-oob-panic-fixext-dos-2026"}],"database_specific":{"url":"https://pkg.go.dev/vuln/GO-2026-4740","review_status":"UNREVIEWED"}}