multer vulnerable to Denial of Service via oversized array index in field names
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| multer | multer | unaffected |
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No data.
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| Multer | Multer |
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| Source | ID | Title |
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Github GHSA |
GHSA-535w-7cp7-47q4 | multer vulnerable to Denial of Service via oversized array index in field names |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.367% probability within 30 days)
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| Metrics |
ssvc
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| Type | Values Removed | Values Added |
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| First Time appeared |
Expressjs
Expressjs multer |
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| CPEs | cpe:2.3:a:expressjs:multer:*:*:*:*:*:node.js:*:* | |
| Vendors & Products |
Expressjs
Expressjs multer |
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| First Time appeared |
Multer
Multer multer |
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| Vendors & Products |
Multer
Multer multer |
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| Description | multer is a middleware for handling multipart/form-data in Node.js. A small multipart request with two specially crafted text field names can make multer's field parser synchronously iterate a maximum-length sparse array, blocking the event loop so the process cannot handle other requests. A large numeric array index in the first field allocates a maximum-length sparse array, and a second field with a non-numeric key then triggers a full-length iteration inside the append-field dependency. All versions before 2.3.0 are affected, and this is a remotely triggerable denial of service. multer 2.3.0 adds an opt-in fieldArrayIndexLimit option that rejects oversized array indexes. Upgrade to multer 2.3.0 and set limits.fieldArrayIndexLimit to the largest array index your application needs to remediate. | |
| Title | multer vulnerable to Denial of Service via oversized array index in field names | |
| Weaknesses | CWE-400 | |
| References |
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| Metrics |
cvssV3_1
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