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CVE-2025-47279

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CVE-2025-47279

Published: May 15, 2025

Modified: Feb 6, 2026

PUBLISHED

CVSS v3.1

3.1

LOW

Description

Undici is an HTTP/1.1 client for Node.js. Prior to versions 5.29.0, 6.21.2, and 7.5.0, applications that use undici to implement a webhook-like system are vulnerable. If the attacker set up a server with an invalid certificate, and they can force the application to call the webhook repeatedly, then they can cause a memory leak. This has been patched in versions 5.29.0, 6.21.2, and 7.5.0. As a workaound, avoid calling a webhook repeatedly if the webhook fails.

VendorProductVersions

nodejs

undici

affected
< 5.29.0
affected
>= 6.0.0, < 6.21.2
affected
>= 7.0.0, < 7.5.0

Weaknesses (CWE)

CWE-401

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

References

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