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chore(deps): bump ws from 7.5.9 to 8.18.3#2574

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chore(deps): bump ws from 7.5.9 to 8.18.3#2574
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@dependabot dependabot Bot commented on behalf of github May 18, 2026

Bumps ws from 7.5.9 to 8.18.3.

Release notes

Sourced from ws's releases.

8.18.3

Bug fixes

  • Fixed a spec violation where the Sec-WebSocket-Version header was not added to the HTTP response if the client requested version was either invalid or unacceptable (#2291).

8.18.2

Bug fixes

  • Fixed an issue that, during message decompression when the maximum size was exceeded, led to the emission of an inaccurate error and closure of the connection with an improper close code (#2285).

8.18.1

Bug fixes

  • The length of the UNIX domain socket paths in the tests has been shortened to make them work when run via CITGM (021f7b8b).

8.18.0

Features

  • Added support for Blob (#2229).

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';

</tr></table>

... (truncated)

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Bumps [ws](https://github.com/websockets/ws) from 7.5.9 to 8.18.3.
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](websockets/ws@7.5.9...8.18.3)

---
updated-dependencies:
- dependency-name: ws
  dependency-version: 8.18.3
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot added dependencies Pull requests that update a dependency file javascript Pull requests that update javascript code labels May 18, 2026
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Coverage Status

coverage: 82.959%. remained the same — dependabot/npm_and_yarn/ws-8.18.3 into master

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