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.
Advisories
Source ID Title
EUVD EUVD EUVD-2025-15796 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.
Github GHSA Github GHSA GHSA-4pg4-qvpc-4q3h Multer vulnerable to Denial of Service from maliciously crafted requests
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 16 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00054}

epss

{'score': 0.00017}


Tue, 20 May 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 19 May 2025 19:30:00 +0000

Type Values Removed Values 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.
Title Multer vulnerable to Denial of Service from maliciously crafted requests
Weaknesses CWE-248
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2025-05-20T13:13:49.579Z

Reserved: 2025-05-14T10:32:43.530Z

Link: CVE-2025-47944

cve-icon Vulnrichment

Updated: 2025-05-20T13:13:45.596Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-05-19T20:15:26.007

Modified: 2025-05-21T20:25:16.407

Link: CVE-2025-47944

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.