Socket.IO is an open source, real-time, bidirectional, event-based, communication framework. A specially…
Historical advisory recorded 25 Oct 2026 00:17:15 UTC. Read the latest advisory.
nvd · CVE-2024-38355
PublishedSocket.IO is an open source, real-time, bidirectional, event-based, communication framework. A specially crafted Socket.IO packet can trigger an uncaught exception on the Socket.IO server, thus killing the Node.js process. This issue is fixed by commit `15af22fc22` which has been included in `[email protected]` (released in May 2023). The fix was backported in the 2.x branch as well with commit `d30630ba10`. Users are advised to upgrade. Users unable to upgrade may attach a listener for the "error" event to catch these errors.
Read the publisher's advisoryAffected versions, risk and source history
Related advisories and sources
Publishers link these advisories through the identifiers shown below. A shared identifier or date alone does not tell you whether your software is affected or whether the advisories describe the same cause.
CVE-2024-38355 · CVE overview and exploitation status
nvd · CVE-2024-38355
- https://github.com/socketio/socket.io/commit/15af22fc22bc6030fcead322c106f07640336115
- https://github.com/socketio/socket.io/commit/d30630ba10562bf987f4d2b42440fc41a828119c
- https://github.com/socketio/socket.io/security/advisories/GHSA-25hc-qcg6-38wj
- https://www.vicarius.io/vsociety/posts/unhandled-exception-in-socketio-cve-2024-38355
This historical advisory does not include today's related changes. Open the latest advisory to find current connections.