Vulnerabilities

CVSS

6.2 Medium

Vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Risk score

49.6

Published

2026-08-04

Status

Received

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**.

Weaknesses

CWE-400

Coverage 1

vulnerability

Multiples vulnérabilités dans Node.js (30 juillet 2026)

Multiple vulnerabilities have been discovered in Node.js, impacting versions 22.x, 24.x, and 26.x prior to the specified release dates. These vulnerabilities can lead to data integrity compromise, data confidentiality is…

CERT-FR · Jul 30, 2026 Medium

CVE-2026-48934CVE-2026-56846CVE-2026-56847nodejsvulnerabilitysecurity

All articles mentioning it

Advisories and references

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