{"id":"CVE-2016-10542","aliases":["GHSA-6663-c963-2gqg"],"url":"https://o3.security/vulnerability/CVE-2016-10542","summary":"DoS due to excessively large websocket message in ws","details":"Affected versions of `ws` do not appropriately limit the size of incoming websocket payloads, which may result in a denial of service condition when the node process crashes after receiving a large payload.\n\n\n\n## Recommendation\n\nUpdate to version 1.1.1 or later. \nAlternatively, set the `maxpayload` option for the `ws` server to a value smaller than 256MB.","published":"2018-05-31T20:29:01.550Z","modified":"2026-07-08T12:43:30.668023Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"ws","fixedVersion":"1.1.1"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://nodesecurity.io/advisories/120"},{"type":"REPORT","url":"https://github.com/nodejs/node/issues/7388"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2016-10542"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-6663-c963-2gqg"},{"type":"WEB","url":"https://www.npmjs.com/advisories/120"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T12:43:30.668023Z"}}