Bug 2381726 (CVE-2025-7338)

Summary: CVE-2025-7338 multer: Multer Denial of Service
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: abarbaro, dhanak, drosa, dsimansk, jchui, jhe, kingland, ktsao, kverlaen, matzew, mnovotny, nboldt, psrna, sausingh
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A denial of service vulnerability was found in the Multer NPM library. This vulnerability allows an attacker to trigger a denial of service (DoS) by sending a malformed multi-part upload request. This request causes an unhandled exception, resulting in a process crash.
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Description OSIDB Bzimport 2025-07-17 16:01:19 UTC
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.