CVE-2025-0755 - CVE House

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Status published High CVE-2025-0755

MongoDB C Driver bson library may be susceptible to buffer overflow

8.4 CVSS

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

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

References

More from MongoDB Inc

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MongoDB Server may be susceptible to privilege escalation due to $mergeCursors stage

MongoDB Server may be susceptible to DoS due to Accumulated Memory Allocation

Incomplete Redaction of Sensitive Information in MongoDB Server Logs

Affected Vendor

MongoDB Inc

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Affected Software

libbson, MongoDB Server

Vulnerable Versions:

0, 8.0, 7.0

Timeline

Official Publish: March 18th, 2025

Last Modified: November 3rd, 2025

Added to House: July 22nd, 2026

CVSS Vectors

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

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1203 Exploitation for Client Execution

T1068 Exploitation for Privilege Escalation

Privilege Escalation

T1055 Process Injection

Defense Evasion