Security Advisory

CVE-2026-58045

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-08-04 00:49:58

Last updated 2026-08-04 15:03:57

Assigner hackerone

CVSS score not scored

State PUBLISHED

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**.

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