CVE-2026-58042

MEDIUM CVSS 3.0: 5.9 EPSS 0.40%
Updated Aug 04, 2026
Node.js
Parameter Value
CVSS 5.9 (MEDIUM)
Type CWE-400 (Uncontrolled Resource Consumption)
Vendor Node.js
Public PoC No

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**.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
High
Difficult to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v3.0

Vulnerable Products

nodejs:node