CVE-2025-47944 – multer

Package

Manager: npm
Name: multer
Vulnerable Version: >=1.4.4-lts.1 <2.0.0

Severity

Level: High

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

EPSS: 0.00018 pctl0.03078

Details

Multer vulnerable to Denial of Service from maliciously crafted requests ### Impact A vulnerability in Multer versions >=1.4.4-lts.1 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. ### Patches Users should upgrade to `2.0.0` ### Workarounds None ### References - https://github.com/expressjs/multer/issues/1176 - https://github.com/expressjs/multer/commit/2c8505f207d923dd8de13a9f93a4563e59933665

Metadata

Created: 2025-05-19T22:16:30Z
Modified: 2025-05-19T22:16:30Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/05/GHSA-4pg4-qvpc-4q3h/GHSA-4pg4-qvpc-4q3h.json
CWE IDs: ["CWE-248"]
Alternative ID: GHSA-4pg4-qvpc-4q3h
Finding: F140
Auto approve: 1