# CVE-2023-32695: node-socket.io-parser: socket.io parser is a socket.io encoder and decoder written in JavaScript complying with version 5 of socket.io-protocol

CVE-2023-32695 is fixed in node-socket.io-parser on 1 platform, first by DEBIAN-CVE-2023-32695, released May 27, 2023. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2023-32695
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0106
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 27, 2023

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | node-socket.io-parser Debian 12.15 (bookworm) | 4.2.1+~3.1.0-2 | [DEBIAN-CVE-2023-32695](https://patchblox.com/security/data/fix/linux/debian-cve-2023-32695.md) | May 27, 2023 |
| Linux | node-socket.io-parser Debian 13.5 (trixie) | 4.2.1+~3.1.0-2 | [DEBIAN-CVE-2023-32695](https://patchblox.com/security/data/fix/linux/debian-cve-2023-32695.md) | May 27, 2023 |
| Linux | node-socket.io-parser Debian 14 | 4.2.1+~3.1.0-2 | [DEBIAN-CVE-2023-32695](https://patchblox.com/security/data/fix/linux/debian-cve-2023-32695.md) | May 27, 2023 |

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Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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