CVE-2025-59466
HIGHNode.js 20.0.0-20.19.1 - Denial of Service via Uncatchable Stack Overflow in async_hooks
Title source: llmDescription
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.
References (1)
Core 1
Core References
Release Notes, Vendor Advisory
https://nodejs.org/en/blog/vulnerability/december-2025-security-releases
Scores
CVSS v3
7.5
EPSS
0.0062
EPSS Percentile
45.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-248
Status
published
Products (1)
nodejs/node.js
20.0.0 - 20.20.0
Published
Jan 20, 2026
Tracked Since
Feb 18, 2026