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CVE-2025-7338

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Date: July 17, 2025

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.

Severity Score

Related Resources (6)

https://nvd.nist.gov/vuln/detail/CVE-2025-7338
https://cna.openjsf.org/security-advisories.html
https://github.com/expressjs/multer
https://github.com/expressjs/multer/security/advisories/GHSA-fjgf-rc76-4x9p
https://github.com/expressjs/multer/commit/adfeaf669f0e7fe953eab191a762164a452d143b
https://www.mend.io/vulnerability-database/CVE-2025-7338

Severity Score

Weakness Type (CWE)

Uncaught Exception

CWE-248

Top Fix

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Upgrade Version

Upgrade to version multer - 2.0.2;https://github.com/expressjs/multer.git - v2.0.2

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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