multer vulnerable to Denial of Service via file descriptor leak on aborted uploads
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-qfvm-cv95-jqjf | multer vulnerable to Denial of Service via file descriptor leak on aborted uploads |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.457% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Expressjs
Expressjs multer |
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| CPEs | cpe:2.3:a:expressjs:multer:2.2.0:*:*:*:*:node.js:*:* | |
| Vendors & Products |
Expressjs
Expressjs multer |
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|---|---|---|
| Metrics |
ssvc
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| Type | Values Removed | Values Added |
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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. In version 2.2.0, when a disk-backed upload is aborted or truncated before the write stream finishes, multer's disk storage engine removes the visible file but does not close the underlying write file descriptor, leaving a deleted but still open descriptor. A remote attacker able to reach an upload route using the built-in disk storage can send repeated aborted or malformed multipart uploads, each one leaking a file descriptor and retaining disk blocks until the process exits, which can exhaust resources and cause a denial of service. The issue is fixed in multer 2.3.0, which closes the destination write stream on abnormal source termination and defers cleanup until the stream has closed. Upgrade to multer 2.3.0 to remediate. | |
| Title | multer vulnerable to Denial of Service via file descriptor leak on aborted uploads | |
| Weaknesses | CWE-400 CWE-459 |
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| References |
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| Metrics |
cvssV3_1
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