CVE-2026-58045

Summary

A flaw in Node.js allows a spoofed TypedArray byteLength to trigger a reachable assertion in the synchronous node:zlib APIs, causing the entire process to crash. All 11 synchronous zlib functions are affected.

Repeated exploitation of this condition can result in a denial of service.

This vulnerability affects Node.js 22.x, 24.x, and 26.x.

Affected Software

VendorProductVersion RangeStatus
nodejsnode26.5.0 <= 26.5.0affected
nodejsnode24.18.0 <= 24.18.0affected
nodejsnode22.23.1 <= 22.23.1affected

Weaknesses

  • CWE-400: CWE-400 Uncontrolled Resource Consumption

References