Multer vulnerable to Denial of Service via unhandled exception
GHSA-g5hg-p3ph-g8qg · CVE-2025-48997
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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
References
- WEB https://github.com/expressjs/multer/security/advisories/GHSA-g5hg-p3ph-g8qg
- ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2025-48997
- WEB https://github.com/expressjs/multer/issues/1233
- WEB https://github.com/expressjs/multer/pull/1256
- WEB https://github.com/expressjs/multer/commit/35a3272b611945155e046dd5cef11088587635e9
- PACKAGE https://github.com/expressjs/multer
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