CVE-2025-47944 – Multer Denial of Service

The following table lists the changes that have been made to the
CVE-2025-47944 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    May. 19, 2025

    Action Type Old Value New Value
    Added Description Multer is a node.js middleware for handling `multipart/form-data`. A vulnerability that is present starting in version 1.4.4-lts.1 and prior to version 2.0.0 allows an attacker to trigger a Denial of Service (DoS) by sending a malformed multi-part upload request. This request causes an unhandled exception, leading to a crash of the process. Users should upgrade to version 2.0.0 to receive a patch. No known workarounds are available.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-248
    Added Reference https://github.com/expressjs/multer/commit/2c8505f207d923dd8de13a9f93a4563e59933665
    Added Reference https://github.com/expressjs/multer/issues/1176
    Added Reference https://github.com/expressjs/multer/security/advisories/GHSA-4pg4-qvpc-4q3h
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