Vulnerability Description
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 2.0.0 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 2.0.0 to receive a patch. No known workarounds are available.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/expressjs/multer/commit/2c8505f207d923dd8de13a9f93a4563e59933
- https://github.com/expressjs/multer/issues/1176
- https://github.com/expressjs/multer/security/advisories/GHSA-4pg4-qvpc-4q3h
FAQ
What is CVE-2025-47944?
CVE-2025-47944 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 2.0.0 allows an attacker to trigger a Denial of ...
How severe is CVE-2025-47944?
CVE-2025-47944 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-47944?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.