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commit b7fe06e9c22a03b4ac5ce201e9b7eb244cbc20eb
Author: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
AuthorDate: Tue Jun 16 22:45:42 2026 +0000
chore(deps): bump ws from 8.18.0 to 8.21.0 in /pyright-language-service
(#5741)
Bumps [ws](https://github.com/websockets/ws) from 8.18.0 to 8.21.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/websockets/ws/releases";>ws's
releases</a>.</em></p>
<blockquote>
<h2>8.21.0</h2>
<h1>Features</h1>
<ul>
<li>Introduced the <code>maxBufferedChunks</code> and
<code>maxFragments</code> options (2b2abd45).</li>
</ul>
<h1>Bug fixes</h1>
<ul>
<li>Fixed a remote memory exhaustion DoS vulnerability (2b2abd45).</li>
</ul>
<p>A high volume of tiny fragments and data chunks could be sent by a
peer, using
modest network traffic, to crash a <code>ws</code> server or client due
to OOM.</p>
<pre lang="js"><code>import { WebSocket, WebSocketServer } from 'ws';
<p>const wss = new WebSocketServer({ port: 0 }, function () {
const data = Buffer.alloc(1);
const options = { fin: false };
const { port } = wss.address();
const ws = new WebSocket(<code>ws://localhost:${port}</code>);</p>
<p>ws.on('open', function () {
(function send() {
ws.send(data, options, function (err) {
if (err) return;
send();
});
})();
});</p>
<p>ws.on('error', console.error);
ws.on('close', function (code, reason) {
console.log(<code>client close - code: ${code} reason:
${reason.toString()}</code>);
});
});</p>
<p>wss.on('connection', function (ws) {
ws.on('error', console.error);
ws.on('close', function (code, reason) {
console.log(<code>server close - code: ${code} reason:
${reason.toString()}</code>);
});
});
</code></pre></p>
<p>The vulnerability was responsibly disclosed and fixed by <a
href="https://github.com/Nadav0077";>Nadav Magier</a>.</p>
<p>In vulnerable versions, the issue can be mitigated by lowering the
value of the
<code>maxPayload</code> option if possible.</p>
<h2>8.20.1</h2>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/websockets/ws/commit/bca91adf15677e47dbe4f959653452727be28b94";><code>bca91ad</code></a>
[dist] 8.21.0</li>
<li><a
href="https://github.com/websockets/ws/commit/2b2abd458a1b647d0b6033bd62a619c36189839a";><code>2b2abd4</code></a>
[security] Limit retained message parts</li>
<li><a
href="https://github.com/websockets/ws/commit/78eabe2a6677b231bf9c82601bde86ff91639490";><code>78eabe2</code></a>
[security] Add latest vulnerability to SECURITY.md</li>
<li><a
href="https://github.com/websockets/ws/commit/5d9b316230ea931532a6671cc450f18c11edd02f";><code>5d9b316</code></a>
[dist] 8.20.1</li>
<li><a
href="https://github.com/websockets/ws/commit/c0327ec15a54d701eb6ccefaa8bef328cfc03086";><code>c0327ec</code></a>
[security] Fix uninitialized memory disclosure in
<code>websocket.close()</code></li>
<li><a
href="https://github.com/websockets/ws/commit/ce2a3d62437995a47e6056d485a33d21b6a8f867";><code>ce2a3d6</code></a>
[ci] Test on node 26</li>
<li><a
href="https://github.com/websockets/ws/commit/58e45b872bb0f35a3edd553c27e105300a4f5bd0";><code>58e45b8</code></a>
[ci] Do not test on node 25</li>
<li><a
href="https://github.com/websockets/ws/commit/5f26c245231a4b018479a9269e8c3da4773fe42f";><code>5f26c24</code></a>
[ci] Run the lint step on node 24</li>
<li><a
href="https://github.com/websockets/ws/commit/843925544e2f4cffe445e0179947f56d6c5b608f";><code>8439255</code></a>
[dist] 8.20.0</li>
<li><a
href="https://github.com/websockets/ws/commit/d3503c1fd36a310985108f62b343bae18346ab67";><code>d3503c1</code></a>
[minor] Export the <code>PerMessageDeflate</code> class and header
utils</li>
<li>Additional commits viewable in <a
href="https://github.com/websockets/ws/compare/8.18.0...8.21.0";>compare
view</a></li>
</ul>
</details>
<br />
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</details>
Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot]
<49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Xinyuan Lin <[email protected]>
---
pyright-language-service/package.json | 2 +-
pyright-language-service/yarn.lock | 8 ++++----
2 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/pyright-language-service/package.json
b/pyright-language-service/package.json
index 09b22b8425..0c288d86f4 100644
--- a/pyright-language-service/package.json
+++ b/pyright-language-service/package.json
@@ -10,7 +10,7 @@
"typescript": "5.5.4",
"vscode-languageserver": "9.0.1",
"vscode-ws-jsonrpc": "3.3.2",
- "ws": "8.18.0"
+ "ws": "8.21.0"
},
"devDependencies": {
"@types/express": "4.17.21",
diff --git a/pyright-language-service/yarn.lock
b/pyright-language-service/yarn.lock
index 95b324beb8..810af83733 100644
--- a/pyright-language-service/yarn.lock
+++ b/pyright-language-service/yarn.lock
@@ -739,10 +739,10 @@ [email protected]:
dependencies:
vscode-jsonrpc "~8.2.1"
[email protected]:
- version "8.18.0"
- resolved
"https://registry.yarnpkg.com/ws/-/ws-8.18.0.tgz#0d7505a6eafe2b0e712d232b42279f53bc289bbc";
- integrity
sha512-8VbfWfHLbbwu3+N6OKsOMpBdT4kXPDDB9cJk2bJ6mh9ucxdlnNvH1e+roYkKmN9Nxw2yjz7VzeO9oOz2zJ04Pw==
[email protected]:
+ version "8.21.0"
+ resolved
"https://registry.yarnpkg.com/ws/-/ws-8.21.0.tgz#012e413fc07429945121b0c153158c4343086951";
+ integrity
sha512-Vsp28b7DRcimFQvrqu2Wek3z1iYxDCWqHYB8Qsnk/S4RfaCQzPGPyBNuVjJV3cd6UiKtUtp6sNM77gWvzcCH+g==
[email protected]:
version "3.1.1"
