### ImpactA specially crafted Socket.IO packet can trigger an uncaught exception on the Socket.IO server, thus killing the Node.js process.```TypeError: Cannot convert object to primitive value at Socket.emit (node:events:507:25) at .../node_modules/socket.io/lib/socket.js:531:14```### PatchesA fix has been released today (2023/05/22):- https://github.com/socketio/socket.io-parser/commit/3b78117bf6ba7e99d7a5cfc1ba54d0477554a7f3, included in `socket.io-parser@4.2.3`- https://github.com/socketio/socket.io-parser/commit/2dc3c92622dad113b8676be06f23b1ed46b02ced, included in `socket.io-parser@3.4.3`Another fix has been released for the `3.3.x` branch:- https://github.com/socketio/socket.io-parser/commit/ee006607495eca4ec7262ad080dd3a91439a5ba4, included in `socket.io-parser@3.3.4| `socket.io` version | `socket.io-parser` version | Needs minor update? ||---------------------|---------------------------------------------------------------------------------------------------------|--------------------------------------|| `4.5.2...latest` | `~4.2.0` ([ref](https://github.com/socketio/socket.io/commit/9890b036cf942f6b6ad2afeb6a8361c32cd5d528)) | `npm audit fix` should be sufficient || `4.1.3...4.5.1` | `~4.1.1` ([ref](https://github.com/socketio/socket.io/commit/7c44893d7878cd5bba1eff43150c3e664f88fb57)) | Please upgrade to `socket.io@4.6.x` || `3.0.5...4.1.2` | `~4.0.3` ([ref](https://github.com/socketio/socket.io/commit/752dfe3b1e5fecda53dae899b4a39e6fed5a1a17)) | Please upgrade to `socket.io@4.6.x` || `3.0.0...3.0.4` | `~4.0.1` ([ref](https://github.com/socketio/socket.io/commit/1af3267e3f5f7884214cf2ca4d5282d620092fb0)) | Please upgrade to `socket.io@4.6.x` || `2.3.0...2.5.0` | `~3.4.0` ([ref](https://github.com/socketio/socket.io/commit/cf39362014f5ff13a17168b74772c43920d6e4fd)) | `npm audit fix` should be sufficient |### WorkaroundsThere is no known workaround except upgrading to a safe version.### For more informationIf you have any questions or comments about this advisory:- Open a discussion [here](https://github.com/socketio/socket.io/discussions)Thanks to [@rafax00](https://github.com/rafax00) for the responsible disclosure.