High severity7.5OSV Advisory· Published Jul 17, 2025· Updated Apr 15, 2026
CVE-2025-7338
CVE-2025-7338
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 2.0.2 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 2.0.2 to receive a patch. No known workarounds are available.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
multernpm | >= 1.4.4-lts.1, < 2.0.2 | 2.0.2 |
Affected products
2Patches
Vulnerability mechanics
References
5- github.com/advisories/GHSA-fjgf-rc76-4x9pghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2025-7338ghsaADVISORY
- cna.openjsf.org/security-advisories.htmlnvdWEB
- github.com/expressjs/multer/commit/adfeaf669f0e7fe953eab191a762164a452d143bnvdWEB
- github.com/expressjs/multer/security/advisories/GHSA-fjgf-rc76-4x9pnvdWEB
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