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meta: bump ws from 8.18.0 to 8.20.1 (via audit fix)#512

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meta: bump ws from 8.18.0 to 8.20.1 (via audit fix)#512
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@dependabot dependabot Bot commented on behalf of github May 19, 2026

Bumps ws from 8.18.0 to 8.20.1.

Release notes

Sourced from ws's releases.

8.20.1

Bug fixes

  • Fixed an uninitialized memory disclosure issue in websocket.close() (c0327ec1).

Providing a TypedArray (e.g. Float32Array) as the reason argument for websocket.close(), rather than the supported string or Buffer types, caused uninitialized memory to be disclosed to the remote peer.

import { deepStrictEqual } from 'node:assert';
import { WebSocket, WebSocketServer } from 'ws';
const wss = new WebSocketServer(
{ port: 0, skipUTF8Validation: true },
function () {
const { port } = wss.address();
const ws = new WebSocket(ws://localhost:${port}, {
skipUTF8Validation: true
});
ws.on('close', function (code, reason) {
  deepStrictEqual(reason, Buffer.alloc(80));
});

}
);
wss.on('connection', function (ws) {
ws.close(1000, new Float32Array(20));
});

The issue was privately reported by Nikita Skovoroda.

8.20.0

Features

  • Added exports for the PerMessageDeflate class and utilities for the Sec-WebSocket-Extensions and Sec-WebSocket-Protocol headers (d3503c1f).

8.19.0

Features

  • Added the closeTimeout option (#2308).

Bug fixes

  • Handled a forthcoming breaking change in Node.js core (19984854).

... (truncated)

Commits
  • 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
  • 8439255 [dist] 8.20.0
  • d3503c1 [minor] Export the PerMessageDeflate class and header utils
  • 3ee5349 [api] Convert the isServer and maxPayload parameters to options
  • 91707b4 [doc] Add missing space
  • 8b55319 [pkg] Update eslint to version 10.0.1
  • Additional commits viewable in compare view

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dependabot Bot commented on behalf of github May 19, 2026

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The following labels could not be found: auto-merge, github_actions:pull-request. Please create them before Dependabot can add them to a pull request.

Please fix the above issues or remove invalid values from dependabot.yml.

@dependabot dependabot Bot added dependencies Pull requests that update a dependency file javascript Pull requests that update Javascript code labels May 19, 2026
Bumps [ws](https://github.com/websockets/ws) from 8.18.0 to 8.20.1.
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](websockets/ws@8.18.0...8.20.1)

---
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 960b1ef to d17abd9 Compare May 19, 2026 21:31
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dependabot Bot commented on behalf of github May 22, 2026

Dependabot tried to update this pull request, but something went wrong. We're looking into it, but in the meantime you can retry the update by commenting @dependabot recreate.

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