CVE-2025-59466

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

We have identified a bug in Node.js error handling where "Maximum call stack size exceeded" errors become uncatchable when `async_hooks.createHook()` is enabled. Instead of reaching `process.on('uncaughtException')`, the process terminates, making the crash unrecoverable. Applications that rely on `AsyncLocalStorage` (v22, v20) or `async_hooks.createHook()` (v24, v22, v20) become vulnerable to denial-of-service crashes triggered by deep recursion under specific conditions.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-248

Affected software

Vendor	Product	Versions
nodejs	node	>= 20.19.6, <= 20.19.6; >= 22.21.1, <= 22.21.1; >= 24.12.0, <= 24.12.0; >= 25.2.1, <= 25.2.1; >= 8.0, < 8.; >= 9.0, < 9.; >= 10.0, < 10.; >= 11.0, < 11.; >= 12.0, < 12.; >= 13.0, < 13.; >= 14.0, < 14.; >= 15.0, < 15.; >= 16.0, < 16.; >= 17.0, < 17.; >= 18.0, < 18.*

References

https://nodejs.org/en/blog/vulnerability/december-2025-security-releasesRelease Notes, Vendor Advisory

Timeline

Published: Jan 20, 2026
Last modified: Jun 17, 2026
NVD status: Analyzed

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