CVE-2026-58045

CVE-2026-58045CVE-2026-58045

Description

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**.

Scoring

CVSS 6.2 ()
VectorCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Last modified2026-08-04
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.