CVE-2025-23165

LowCVSS 3.7/10Last modified Jun 17, 2026

Description

In Node.js, the `ReadFileUtf8` internal binding leaks memory due to a corrupted pointer in `uv_fs_s.file`: a UTF-16 path buffer is allocated but subsequently overwritten when the file descriptor is set. This results in an unrecoverable memory leak on every call. Repeated use can cause unbounded memory growth, leading to a denial of service. Impact: * This vulnerability affects APIs relying on `ReadFileUtf8` on Node.js release lines: v20 and v22.

Metrics

CVSS 3.0 3.7/10CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-401

Affected software

No affected versions have been published.

Timeline

Published: May 19, 2025
Last modified: Jun 17, 2026
NVD status: Deferred

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