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CVE-2025-0755— MongoDB C Driver bson library may be susceptible to buffer overflow

Quick assessment

Affected
MongoDB Inc libbson
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

MongoDB Server是美国MongoDB公司的一套开源的NoSQL数据库。该数据库提供面向集合的存储、动态查询、数据复制及自动故障转移等功能。 MongoDB Server存在安全漏洞，该漏洞源于缓冲区溢出，可能导致应用程序崩溃。

CVSS 8.4 · High EPSS 0.76% · P52

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking
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I. Basic Information for CVE-2025-0755

Vulnerability Information
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Vulnerability Title
MongoDB C Driver bson library may be susceptible to buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
The various bson_append functions in the MongoDB C driver library may be susceptible to buffer overflow when performing operations that could result in a final BSON document which exceeds the maximum allowable size (INT32_MAX), resulting in a segmentation fault and possible application crash. This issue affected libbson versions prior to 1.27.5, MongoDB Server v8.0 versions prior to 8.0.1 and MongoDB Server v7.0 versions prior to 7.0.16
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
MongoDB Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MongoDB Server是美国MongoDB公司的一套开源的NoSQL数据库。该数据库提供面向集合的存储、动态查询、数据复制及自动故障转移等功能。 MongoDB Server存在安全漏洞，该漏洞源于缓冲区溢出，可能导致应用程序崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
MongoDB Inc libbson 0 ~ 1.27.5 cpe:2.3:a:mongodb:libbson:0.2.0:*:*:*:*:*:*:*
MongoDB Inc MongoDB Server 8.0 ~ 8.0.1 -

II. Public POCs for CVE-2025-0755

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III. Intelligence Information for CVE-2025-0755

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Patches & Fixes for CVE-2025-0755 (1)

Other References for CVE-2025-0755 (1)

IV. Related Vulnerabilities

Same product: libbson
Same vendor: MongoDB Inc
Same weakness: CWE-122

V. Comments for CVE-2025-0755

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