REDHAT-BUG-2443350: High severity npm/multer vulnerability

Published Feb 27, 2026
·
Updated

Multer is a node.js middleware for handling multipart/form-data. A vulnerability in Multer prior to version 2.1.0 allows an attacker to trigger a Denial of Service (DoS) by dropping connection during file upload, potentially causing resource exhaustion. Users should upgrade to version 2.1.0 to receive a patch. No known workarounds are available.

Affected Software

1 affected component
npm/multer<2.1.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade multer to a version that resolves this vulnerability.

    Fixed in 2.1.0

Event History

Feb 27, 2026
Data Sourced
via Red Hat·04:01 PM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of REDHAT-BUG-2443350?

The severity of REDHAT-BUG-2443350 is classified as high with a score of 7.

2

What is the impact of REDHAT-BUG-2443350?

The impact of REDHAT-BUG-2443350 is a potential Denial of Service (DoS) attack that may cause resource exhaustion.

3

How do I fix REDHAT-BUG-2443350?

To fix REDHAT-BUG-2443350, upgrade Multer to version 2.1.0 or later.

4

Which software is affected by REDHAT-BUG-2443350?

The affected software for REDHAT-BUG-2443350 is npm/multer.

5

What versions of Multer are vulnerable in relation to REDHAT-BUG-2443350?

Versions of Multer prior to 2.1.0 are vulnerable in relation to REDHAT-BUG-2443350.

Contact

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