CVE-2023-0437 - CVE House
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Status published Medium CVE-2023-0437

MongoDB client C Driver may infinitely loop when validating certain BSON input data

Vulnerability Description

When calling bson_utf8_validate on some inputs a loop with an exit condition that cannot be reached may occur, i.e. an infinite loop. This issue affects All MongoDB C Driver versions prior to versions 1.25.0.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • selmelc

Affected Vendor

MongoDB Inc

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Affected Software

MongoDB C Driver
Vulnerable Versions:
1.0.0

Timeline

Official Publish: January 12th, 2024
Last Modified: November 3rd, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weaknesses (CWE)