CVE-2025-48997 – multer

Package

Manager: npm
Name: multer
Vulnerable Version: >=1.4.4-lts.1 <2.0.1

Severity

Level: High

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

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: 0.00063 pctl0.1987

Details

Multer vulnerable to Denial of Service via unhandled exception ### Impact A vulnerability in Multer versions >=1.4.4-lts.1, <2.0.1 allows an attacker to trigger a Denial of Service (DoS) by sending an upload file request with an empty string field name. This request causes an unhandled exception, leading to a crash of the process. ### Patches Users should upgrade to `2.0.1` ### Workarounds None ### References https://github.com/expressjs/multer/commit/35a3272b611945155e046dd5cef11088587635e9 https://github.com/expressjs/multer/issues/1233 https://github.com/expressjs/multer/pull/1256

Metadata

Created: 2025-06-05T01:09:35Z
Modified: 2025-06-05T01:09:35Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/06/GHSA-g5hg-p3ph-g8qg/GHSA-g5hg-p3ph-g8qg.json
CWE IDs: ["CWE-248"]
Alternative ID: GHSA-g5hg-p3ph-g8qg
Finding: F140
Auto approve: 1