Description

Fastify is a fast and low overhead web framework, for Node.js. Prior to version 5.7.3, a denial-of-service vulnerability in Fastify’s Web Streams response handling can allow a remote client to exhaust server memory. Applications that return a ReadableStream (or Response with a Web Stream body) via reply.send() are impacted. A slow or non-reading client can trigger unbounded buffering when backpressure is ignored, leading to process crashes or severe degradation. This issue has been patched in version 5.7.3.

INFO

Published Date :

2026-02-03T21:21:35.437Z

Last Modified :

2026-02-04T16:20:32.845Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2026-25224 vulnerability.

Vendors Products
Fastify
  • Fastify

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact