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カテゴリ
CVE-2025-47935

Multer vulnerable to Denial of Service via memory leaks from unclosed streams

概要

Multer vulnerable to Denial of Service via memory leaks from unclosed streams

原文の説明

取得元が公開している説明をそのまま載せています (多くは英語)。

Multer is a node.js middleware for handling multipart/form-data. Versions prior to 2.0.0 are vulnerable to a resource exhaustion and memory leak issue due to improper stream handling. When the HTTP request stream emits an error, the internal busboy stream is not closed, violating Node.js stream safety guidance. This leads to unclosed streams accumulating over time, consuming memory and file descriptors. Under sustained or repeated failure conditions, this can result in denial of service, requiring manual server restarts to recover. All users of Multer handling file uploads are potentially impacted. Users should upgrade to 2.0.0 to receive a patch. No known workarounds are available.

出典: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV

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