CVE-2025-14911

Integer Overflow in GridFS chunkSize Leading to Heap Allocation Failure

Published Jan 27, 2026 CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
Description
User-controlled chunkSize metadata from MongoDB lacks appropriate validation allowing malformed GridFS metadata to overflow the bounding container.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Weaknesses CWE-120
Type Values Removed Values Added
First Time appeared Mongodb
Mongodb c Driver
Vendors & Products Mongodb
Mongodb c Driver
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description User-controlled chunkSize metadata from MongoDB lacks appropriate validation allowing malformed GridFS metadata to overflow the bounding container.
Title Integer Overflow in GridFS chunkSize Leading to Heap Allocation Failure
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 7.1, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mongodb
Published
Updated
Feb 26, 2026, 9:36 PM
Reserved
Dec 18, 2025, 6:37 PM
Status
Deferred
Published
Jan 27, 2026, 6:15 PM
Modified
Jun 17, 2026, 8:36 AM
Severity
Moderate
Public date
Jan 27, 2026, 5:29 PM