CVE-2026-25224
CVE-2026-25224 · Fastify Vulnerable to DoS via Unbounded Memory Allocation in sendWebStream
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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.
CVSS 3.7 · Faible · EPSS 0,6% · Correctif disponible
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Pile logicielle: node