CVE-2026-25224

LOW

3.7

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.

Details CVE

Score CVSS v3.13.7

SeveriteLOW

Vecteur CVSSCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Vecteur d'attaqueNETWORK

ComplexiteHIGH

Privileges requisNONE

Interaction utilisateurNONE

Publie2/3/2026

Derniere modification2/10/2026

Sourcenvd

Observations honeypot0

Produits affectes

fastify:fastify

Faiblesses (CWE)

CWE-770

References

https://github.com/fastify/fastify/commit/eb11156396f6a5fedaceed0140aed2b7f026be37(security-advisories@github.com)

https://github.com/fastify/fastify/security/advisories/GHSA-mrq3-vjjr-p77c(security-advisories@github.com)

https://hackerone.com/reports/3524779(security-advisories@github.com)

Correlations IOC

Aucune correlation enregistree

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