CVE-2026-1528

High CVSS: 7.5

ImpactA server can reply with a WebSocket frame using the 64-bit length form and an extremely large length. undici's ByteParser overflows internal math, ends up in an invalid state, and throws a fatal TypeError that terminates the process.

Patches

Patched in the undici version v7.24.0 and v6.24.0. Users should upgrade to this version or later.

Vendor

Nodejs

Product

Undici

CWE

CWE-248

Yayın Tarihi

2026-03-12 21:16:25

Güncelleme

2026-03-20 15:41:40

Source Identifier

ce714d77-add3-4f53-aff5-83d477b104bb

KEV Date Added

Kategoriler

CWE-248 Undici HIGH Nodejs 2026

Referanslar

https://cna.openjsf.org/security-advisories.html https://github.com/nodejs/undici/security/advisories/GHSA-f269-vfmq-vjvj https://hackerone.com/reports/3537648

Benzer Kayıtlar

Medium

CVE-2026-1527

ImpactWhen an application passes user-controlled input to the upgrade option of client.request(), an attacker can inject…

High

CVE-2026-2229

ImpactThe undici WebSocket client is vulnerable to a denial-of-service attack due to improper validation of the server_m…

Medium

CVE-2026-2581

This is an uncontrolled resource consumption vulnerability (CWE-400) that can lead to Denial of Service (DoS). In vulne…

High

CVE-2026-1526

The undici WebSocket client is vulnerable to a denial-of-service attack via unbounded memory consumption during permessa…

Medium

CVE-2026-1525

Undici allows duplicate HTTP Content-Length headers when they are provided in an array with case-variant names (e.g., Co…

Critical

CVE-2026-21636

A flaw in Node.js's permission model allows Unix Domain Socket (UDS) connections to bypass network restrictions when `--…