Description
Improper validation of a BSON array length in the MongoDB Go Driver can cause an out-of-bounds index and runtime panic when an application calls bson.RawArray.Validate or bsoncore.Array.Validate on a malformed four-byte array. An unauthenticated actor who can supply raw BSON array data to an affected application may terminate an unprotected application process, causing a denial of service. No confidentiality or integrity impact has been identified.
Published: 2026-10-08
Score: 8.2 High
EPSS: n/a
KEV: No
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Remediation

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History

Thu, 08 Oct 2026 19:15:00 +0000

Type Values Removed Values Added
Description Improper validation of a BSON array length in the MongoDB Go Driver can cause an out-of-bounds index and runtime panic when an application calls bson.RawArray.Validate or bsoncore.Array.Validate on a malformed four-byte array. An unauthenticated actor who can supply raw BSON array data to an affected application may terminate an unprotected application process, causing a denial of service. No confidentiality or integrity impact has been identified.
Title Application denial of service via missing BSON array length validation in MongoDB Go Driver
Weaknesses CWE-129
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}


Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: mongodb

Published:

Updated: 2026-10-08T19:32:32.402Z

Reserved: 2026-10-07T17:54:29.794Z

Link: CVE-2026-107325

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-08T19:17:00.173

Modified: 2026-10-08T19:17:00.173

Link: CVE-2026-107325

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-129

    Improper Validation of Array Index