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TI-2024-16267 Aliases CVE-2024-24750GHSA-9f24-jqhm-jfcw

Backpressure request ignored in fetch() in Undici

Priority LOW 32CWE-400Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-400.

Summary

Undici is an HTTP/1.1 client, written from scratch for Node.js. In affected versions calling `fetch(url)` and not consuming the incoming body ((or consuming it very slowing) will lead to a memory leak. This issue has been addressed in version 6.6.1. Users are advised to upgrade. Users unable to upgrade should make sure to always consume the incoming body.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.007 53rd percentileScored 2026-11-07
Fix Fixed undici (nodejs): 6.6.1undici (npm): 6.6.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
NodeJSundici6.0.0 to before 6.6.16.6.1Patch availableCNA
—undici (npm)6.0.0 to before 6.6.16.6.1Patch availableGHSA-9f24-jqhm-jfcw
  • undici VendorNodeJS Affected 6.0.0 to before 6.6.1 Fixed in 6.6.1 Patch available CNA
  • undici (npm) Vendor— Affected 6.0.0 to before 6.6.1 Fixed in 6.6.1 Patch available GHSA-9f24-jqhm-jfcw

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:nodejs:undici:*:*:*:*:*:node.js:*:*6.0.0 to before 6.6.1VulnerableNodeJS
  • cpe:2.3:a:nodejs:undici:*:*:*:*:*:node.js:*:* Versions 6.0.0 to before 6.6.1 Vulnerable ·NodeJS

Remediation

  • Fix · CNA undici (nodejs) Fixed in 6.6.1
  • Fix · GHSA-9f24-jqhm-jfcw undici (npm) Fixed in 6.6.1 Advisory →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Not affected: 5 products
  • Red Hat Developer Hub 1
  • Red Hat Enterprise Linux 10
  • Red Hat OpenShift Dev Spaces
  • Red Hat Openshift Data Foundation 4
  • Red Hat build of Apache Camel - HawtIO 4

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-24750
  2. 2026-10-03 Alias added: GHSA-9f24-jqhm-jfcw
  3. 2026-10-27 Affected versions changed · Red Hat

References

  • TI-2026-01215 undici is vulnerable to Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') CVSS 3.1CRITICAL 9.8
  • TI-2022-16376 `undici.request` vulnerable to SSRF using absolute URL on `pathname` CVSS 3.1CRITICAL 9.8
  • TI-2023-09734 CRLF Injection in Nodejs ‘undici’ via host CVSS 3.1MEDIUM 6.5
  • TI-2022-13193 CRLF injection in request headers CVSS 3.1MEDIUM 6.5
  • TI-2022-16375 CRLF Injection in Nodejs ‘undici’ via Content-Type CVSS 3.1MEDIUM 5.3
  • TI-2022-13194 Uncleared cookies on cross-host/cross-origin redirect in undici CVSS 3.1MEDIUM 6.5
See all 51 →

Sources