CVE-2026-58042: Node.js Node

Medium severity, CVSS 5.9. EPSS: 0.4% chance of exploitation in the next 30 days.

A flaw in Node.js can cause dns.resolveAny() Aborts the Node.js Process When a DNS Response Contains More Than 256 A Records. Repeated triggering of this condition can lead to denial of service. This vulnerability affects Node.js **26.x**, **24.x**, and **22.x**.

Affected products

• Node.js Node: from 26, up to and including 26.5.0; from 24, up to and including 24.18.0; from 22, up to and including 22.23.1

Published 2026-08-04. Last modified 2026-09-03.