CVE-2026-58042

State: Published
Severity: 5.9 Medium
Published: Aug 4, 2026
Updated: Aug 4, 2026
Reserved: Jun 27, 2026

Description

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**.

Scores

CVSS	Score	Vector	Source
3.0	5.9 Medium	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H	hackerone

Weaknesses

CWE-400 Uncontrolled Resource Consumption

Affected Products

Product	Versions
nodenodejs	26.5.0 through 26.5.0Affected 24.18.0 through 24.18.0Affected 22.23.1 through 22.23.1Affected

References

https://nodejs.org/en/blog/vulnerability/july-2026-security-releases

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.