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Public proof of conceptFix available

CVE-2016-10542

A public proof of concept exists; no exploitation attested.

  • Published2018-05-31
  • Fixed in1.1.1
  • WeaknessCWE-20 · CWE-400

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2018-05-3120:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2016-10542?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2016-10542?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

OSV · NVD
ws
BranchAffectedFixed in
1.1< 1.1.11.1.1
Ws project ws
BranchAffectedFixed in
1.1≤ 1.1.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • cube-1.4MinimOSall versions · no fixed version listedand 1 other package
  • node-wsUbuntu:18.04:LTSall versions · no fixed version listed
  • node-wsUbuntu:16.04:LTSall versions · no fixed version listed
  • node-wsDebian:14all versions · fixed in 1.1.0+ds1.e6ddaae4-5
  • node-wsDebian:13all versions · fixed in 1.1.0+ds1.e6ddaae4-5
  • node-wsDebian:12all versions · fixed in 1.1.0+ds1.e6ddaae4-5
  • wsTuxCare:npmfrom 0.8.1-tuxcare.0 · fixed in 0.8.1-tuxcare.2

Full record on NVD

Fix

  1. Update ws to 1.1.1

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
1 moduleauxiliary/dos/http/ws_dosrank: normalModule metadata: Metasploit Framework, © Rapid7, Inc., BSD-3-Clause.
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2018-05-31
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-6663-c963-2gqg

Frequently asked questions

What is CVE-2016-10542?

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.

Is CVE-2016-10542 actively exploited?

Active exploitation of CVE-2016-10542 has not been confirmed. Its EPSS score was 7.4% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2016-10542?

CVE-2016-10542 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Running ws? Hear about its next vulnerability

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

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Same product first, then the same vendor advisory and the same publication week.

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Sources for this record