CVE-2026-48619

critical

Description

A flaw in Node.js HTTP/2 client allows a server to send an unlimited number of ORIGIN frames, which could lead to an Out of Memory error on the client. This vulnerability affects all supported release lines: Node.js 22, Node.js 24, and Node.js 26. Thank you, to kingsd for reporting this vulnerability and thank you Matteo Collina for fixing it.

Details

Source: Mitre, NVD

Published: 2026-06-18

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

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

Severity: Critical