What is GHSA-g5hg-p3ph-g8qg?

GHSA-g5hg-p3ph-g8qg is a security advisory published by GitHub Security Advisories with High severity. Multer vulnerable to Denial of Service via unhandled exception

Which CVE IDs does GHSA-g5hg-p3ph-g8qg cover?

GHSA-g5hg-p3ph-g8qg covers the following CVE IDs: CVE-2025-48997. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

Which products are affected by GHSA-g5hg-p3ph-g8qg?

GHSA-g5hg-p3ph-g8qg affects 1 product, including: npm/multer:\u003e= 1.4.4-lts.1, \u003c 2.0.1.

GHSA-g5hg-p3ph-g8qgHigh

Multer vulnerable to Denial of Service via unhandled exception

Vendor

GitHub Security Advisories

Published

June 5, 2025

Last Modified

June 5, 2025

🔗 CVE IDs covered (1)

CVE-2025-48997 →

📋 Description

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

🎯 Affected products1

npm/multer:>= 1.4.4-lts.1, < 2.0.1

🔗 References (6)

https://github.com/expressjs/multer/security/advisories/GHSA-g5hg-p3ph-g8qg
https://nvd.nist.gov/vuln/detail/CVE-2025-48997
https://github.com/expressjs/multer/issues/1233
https://github.com/expressjs/multer/pull/1256
https://github.com/expressjs/multer/commit/35a3272b611945155e046dd5cef11088587635e9
https://github.com/advisories/GHSA-g5hg-p3ph-g8qg