ws is an open source WebSocket client and server for Node.js. A request with a number of headers exceeding theserver.maxHeadersCount threshold could be used to crash a ws server. The vulnerability was fixed in [email protected] (e55e510) and backported to [email protected] (22c2876), [email protected] (eeb76d3), and [email protected] (4abd8f6). In vulnerable versions of ws, the issue can be mitigated in the following ways: 1. Reduce the maximum allowed length of the request headers using the --max-http-header-size=size and/or the maxHeaderSize options so that no more headers than the server.maxHeadersCount limit can be sent. 2. Set server.maxHeadersCount to 0 so that no limit is applied.
CVE-2024-37890
This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 0.5%, top 32% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EPSS
- 68.4%
- KEV
- Not listed
Published
June 17, 2024
Last Modified
April 15, 2026
References (16)
- security-advisories@githubhttps://github.com/websockets/ws/commit/22c28763234aa75a7e1b76f5c01c181260d7917f
- security-advisories@githubhttps://github.com/websockets/ws/commit/4abd8f6de4b0b65ef80b3ff081989479ed93377e
- security-advisories@githubhttps://github.com/websockets/ws/commit/e55e5106f10fcbaac37cfa89759e4cc0d073a52c
- security-advisories@githubhttps://github.com/websockets/ws/commit/eeb76d313e2a00dd5247ca3597bba7877d064a63
- security-advisories@githubhttps://github.com/websockets/ws/issues/2230
- security-advisories@githubhttps://github.com/websockets/ws/pull/2231
- security-advisories@githubhttps://github.com/websockets/ws/security/advisories/GHSA-3h5v-q93c-6h6q
- security-advisories@githubhttps://nodejs.org/api/http.html#servermaxheaderscount
- af854a3a-2127-422b-91ae-364da2661108https://github.com/websockets/ws/commit/22c28763234aa75a7e1b76f5c01c181260d7917f
- af854a3a-2127-422b-91ae-364da2661108https://github.com/websockets/ws/commit/4abd8f6de4b0b65ef80b3ff081989479ed93377e
- af854a3a-2127-422b-91ae-364da2661108https://github.com/websockets/ws/commit/e55e5106f10fcbaac37cfa89759e4cc0d073a52c
- af854a3a-2127-422b-91ae-364da2661108https://github.com/websockets/ws/commit/eeb76d313e2a00dd5247ca3597bba7877d064a63
- af854a3a-2127-422b-91ae-364da2661108https://github.com/websockets/ws/issues/2230
- af854a3a-2127-422b-91ae-364da2661108https://github.com/websockets/ws/pull/2231
- af854a3a-2127-422b-91ae-364da2661108https://github.com/websockets/ws/security/advisories/GHSA-3h5v-q93c-6h6q
Vendor Advisories for CVE-2024-37890(8)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- CVE-2024-37890Microsoft Security Response Center (MSRC)
CVE-2024-37890
- RHSA-2026:3712Red Hat Product SecurityHigh
Red Hat Security Advisory: Red Hat OpenShift Pipelines Release 1.15.4
- RHSA-2026:3710Red Hat Product SecurityHigh
Red Hat Security Advisory: Red Hat OpenShift Pipelines Release 1.15.3
- RHSA-2025:8551Red Hat Product SecurityHigh
Red Hat Security Advisory: Red Hat OpenShift Data Foundation 4.14.18 Bug Fix Update
- RHSA-2025:8544Red Hat Product SecurityHigh
Red Hat Security Advisory: Red Hat OpenShift Data Foundation 4.15.14 Bug Fix Update
- RHBA-2024:9054Red Hat Product SecurityHigh
Red Hat Bug Fix Advisory: Red Hat Developer Hub 1.3.1 bugfix release
- RHSA-2024:6755Red Hat Product SecurityHigh
Red Hat Security Advisory: Red Hat OpenShift Data Foundation 4.16.2 security and bug fix update
- RHSA-2024:4591Red Hat Product SecurityHigh
Red Hat Security Advisory: Red Hat OpenShift Data Foundation 4.16.0 security, enhancement & bug fix update
Patch Availability(7)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | openshift-pipelines/pipelines-hub-ui-rhel8:1772036471 | 2026-03-04 | redhat |
| redhat | odf4/odf-console-rhel9:v4.15.14-2 | 2025-06-04 | redhat |
| redhat | odf4/odf-console-rhel9:v4.14.18-3 | 2025-06-04 | redhat |
| redhat | rhdh/rhdh-hub-rhel9:1.3-124 | 2024-11-11 | redhat |
| redhat | odf4/odf-console-rhel9:v4.16.2-2 | 2024-09-18 | redhat |
| redhat | odf4/mcg-core-rhel9:v4.16.1-2 | 2024-08-19 | redhat |
| redhat | odf4/mcg-core-rhel9:v4.16.0-60 | 2024-07-17 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(1 across 1 ecosystem)
npm(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| ws | — | 8.17.1 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(1)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
Data Freshness Timeline
(refreshed 11× in last 7d / 46× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 102 total refreshes for this CVE.
- 2026-07-11 08:26 UTCEPSS rescore
- 2026-07-11 08:26 UTCEPSS rescore
- 2026-07-11 04:22 UTCOSV refresh
- 2026-07-09 19:09 UTCEPSS rescore
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- 2026-06-23 21:32 UTCEPSS rescore
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- 2026-06-22 11:13 UTCOSV refresh
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- 2026-06-05 06:09 UTCEPSS rescore
- 2026-06-05 06:09 UTCEPSS rescore
- 2026-06-04 16:39 UTCOSV refresh
- 2026-06-04 13:11 UTCEPSS rescore
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- 2026-05-26 07:18 UTCEPSS rescore
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- 2026-05-23 00:09 UTCEG score recompute
- 2026-05-22 21:16 UTCEPSS rescore
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- 2026-05-22 00:54 UTCEG score recompute
- 2026-05-22 00:54 UTCVendor advisory
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Related CVEs(same vendor + same CWE)
Same vendor
10 shownmsrc · redhat
Frequently asked(5)
What is CVE-2024-37890?
When was CVE-2024-37890 disclosed?
Is CVE-2024-37890 actively exploited?
What is the CVSS score of CVE-2024-37890?
How do I remediate CVE-2024-37890?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2024-37890
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