CVE-2023-0437 MEDIUM

CVE-2023-0437: MongoDB client C Driver may infinitely loop when validating certain BSON input data

Vendor Mongodb Inc
Product MongoDB C Driver
Weakness CWE-835
Published January 12, 2024
Last update November 3, 2025

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 12, 2024 CVE published
November 3, 2025 Record updated

Related vulnerabilities

04Related CVE