{"id":"CVE-2023-32695","aliases":["GHSA-cqmj-92xf-r6r9"],"url":"https://o3.security/vulnerability/CVE-2023-32695","summary":"Insufficient validation when decoding a Socket.IO packet","details":"socket.io parser is a socket.io encoder and decoder written in JavaScript complying with version 5 of socket.io-protocol. A specially crafted Socket.IO packet can trigger an uncaught exception on the Socket.IO server, thus killing the Node.js process. A patch has been released in version 4.2.3.\n\n","published":"2023-05-27T15:44:03.235Z","modified":"2026-08-12T03:51:48.458076789Z","cvss":{"score":7.3,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"},"epss":{"score":0.01059,"percentile":0.62907,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"socket.io-parser","fixedVersion":"4.2.3"},{"ecosystem":"npm","name":"socket.io-parser","fixedVersion":"3.4.3"},{"ecosystem":"npm","name":"socket.io-parser","fixedVersion":"3.3.4"}],"fix":{"url":"https://github.com/socketio/socket.io-parser/commit/2dc3c92622dad113b8676be06f23b1ed46b02ced","label":"socketio/socket.io-parser@2dc3c92"},"references":[{"type":"WEB","url":"https://github.com/socketio/socket.io-parser/releases/tag/4.2.3"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/32xxx/CVE-2023-32695.json"},{"type":"ADVISORY","url":"https://github.com/socketio/socket.io-parser/security/advisories/GHSA-cqmj-92xf-r6r9"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-32695"},{"type":"FIX","url":"https://github.com/socketio/socket.io-parser/commit/2dc3c92622dad113b8676be06f23b1ed46b02ced"},{"type":"FIX","url":"https://github.com/socketio/socket.io-parser/commit/3b78117bf6ba7e99d7a5cfc1ba54d0477554a7f3"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:48.458076789Z"}}