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 2.0.2 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 2.0.2 to receive a patch. No known workarounds are available.
Advisories
Source ID Title
EUVD EUVD EUVD-2025-21776 Multer vulnerable to Denial of Service via unhandled exception from malformed request
Github GHSA Github GHSA GHSA-fjgf-rc76-4x9p Multer vulnerable to Denial of Service via unhandled exception from malformed request
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Fri, 18 Jul 2025 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Moderate


Thu, 17 Jul 2025 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Thu, 17 Jul 2025 15:45:00 +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 2.0.2 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 2.0.2 to receive a patch. No known workarounds are available.
Title Multer vulnerable to Denial of Service via unhandled exception from malformed request
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: openjs

Published:

Updated: 2025-07-17T16:48:43.154Z

Reserved: 2025-07-07T20:01:12.534Z

Link: CVE-2025-7338

cve-icon Vulnrichment

Updated: 2025-07-17T16:48:38.891Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-07-17T16:15:35.227

Modified: 2025-07-17T21:15:50.197

Link: CVE-2025-7338

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-07-17T15:26:45Z

Links: CVE-2025-7338 - Bugzilla

cve-icon OpenCVE Enrichment

No data.