CVE-2025-14911
Integer Overflow in GridFS chunkSize Leading to Heap Allocation Failure
- State
- Published
- Severity
- 7.1 High
- Published
- Jan 27, 2026
- Updated
- Feb 26, 2026
- Reserved
- Dec 18, 2025
Description
User-controlled chunkSize metadata from MongoDB lacks appropriate validation allowing malformed GridFS metadata to overflow the bounding container.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.1 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N | mongodb |
| 3.1 | 6.5 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | mongodb |
Weaknesses
- CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Affected Products
| Product | Versions |
|---|---|
Mongo-c-driverMongoDB |
|
References
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