Fastify Vulnerable to DoS via Unbounded Memory Allocation in sendWebStream

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

不加限制或调节的资源分配

Fastify 安全漏洞

Fastify是Fastify开源的一个 Web 框架。 Fastify 5.7.3之前版本存在安全漏洞，该漏洞源于Web Streams响应处理存在拒绝服务漏洞，可能导致远程客户端耗尽服务器内存。

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