Resource exhaustion in Nodejs Node
CVE-2025-59464
A memory leak in Node.js’s OpenSSL integration occurs when converting `X.509` certificate fields to UTF-8 without freeing the allocated buffer. When applications call `socket.getPeerCertificate(true)`, each certificate field leaks memory, allowing remote clients to trigger steady memory growth through repeated TLS connections. Over time this can lead to resource exhaustion and denial of service.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.002 (14.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Nodejs Node — versions 24.12.0
- Nodejs Node.js
Weakness classification (CWE)
References
- support@hackerone.com (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-59464?
- CVE-2025-59464 is a high-severity vulnerability in Nodejs Node, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-01-20.
- How severe is CVE-2025-59464?
- High severity. CVSS v3 base score is 7.5 out of 10.