CVE-2016-10542

mediumpriority · track · 43EPSS 0.074 · 94 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · functional

Likely / severe?

7.42% (94th) EPSS

CVSS 5 · medium

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.07.3highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Fsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimaryCWE-400USCWE-400US

exploits (1)

Public proof-of-concept and weaponised exploit code.

auxiliary/dos/http/ws_dosws - Denial of Servicefunctional · metasploit

affected products (3)

Products and version ranges known to be affected.

HackerOne ws node module≤ ≤1.1.0enisa_euvdEU
ws project ws≤ 1.1.0nvdUScpe:2.3:a:ws_project:ws:*:*:*:*:*:*:*:*
npm ws< 1.1.1osvUSpkg:npm/ws

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-6663-c963-2gqgDoS due to excessively large websocket message in ws2019-02-18ghsa · osvUS
Affected versions of `ws` do not appropriately limit the size of incoming websocket payloads, which may result in a denial of service condition when the node process crashes after receiving a large payload. ## Recommendation Update to version 1.1.1 or later. Alternatively, set the `maxpayload` option for the `ws` server to a value smaller than 256MB.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2018-05-31modified 2026-06-17

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references (11)

External citations — patches, advisories, analysis.

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