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Vulnerability record · CVE-2016-10542 · published 31 May 2018

CVE-2016-10542: Ws project ws uncontrolled resource consumption vulnerability

WWs Project · Ws

ws is a "simple to use, blazing fast and thoroughly tested websocket client, server and console for node.js, up-to-date against RFC-6455". By sending an overly long websocket payload to a `ws` server, it is possible to crash the node process. This affects ws 1.1.0 and earlier.

7.5 CVSS 3.0 High EPSS 7.5% · top 5.7% CWE-400 · Uncontrolled resource consumptionCWE-20 · Improper input validation
7.5CVSS 3.0 base score, v2 5.0
7.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

ws is a "simple to use, blazing fast and thoroughly tested websocket client, server and console for node.js, up-to-date against RFC-6455". By sending an overly long websocket payload to a `ws` server, it is possible to crash the node process. This affects ws 1.1.0 and earlier.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/nodejs/node/issues/7388 Issue TrackingThird Party Advisory
https://nodesecurity.io/advisories/120 Third Party Advisory
https://github.com/nodejs/node/issues/7388 Issue TrackingThird Party Advisory
https://nodesecurity.io/advisories/120 Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2016-10542), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.