CVE-2023-32695
HIGH7.3EPSS 0.30%Insufficient validation when decoding a Socket.IO packet
Published: 5/23/2023Modified: 4/28/2026
Description
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.
Affected packages (2)
- Debian/node-socket.io-parserfrom 0, < 4.2.1+~3.1.0-2
- npm/socket.io-parser>= 4.0.4, < 4.2.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | HIGH7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
References (9)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2023-32695
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2023-32695
- PATCHhttps://github.com/socketio/socket.io-parser
- WEBhttps://github.com/socketio/socket.io-parser/commit/1c220ddbf45ea4b44bc8dbf6f9ae245f672ba1b9
- WEBhttps://github.com/socketio/socket.io-parser/commit/2dc3c92622dad113b8676be06f23b1ed46b02ced
- WEBhttps://github.com/socketio/socket.io-parser/commit/3b78117bf6ba7e99d7a5cfc1ba54d0477554a7f3
- WEBhttps://github.com/socketio/socket.io-parser/commit/ee006607495eca4ec7262ad080dd3a91439a5ba4
- WEBhttps://github.com/socketio/socket.io-parser/releases/tag/4.2.3
- WEBhttps://github.com/socketio/socket.io-parser/security/advisories/GHSA-cqmj-92xf-r6r9