CVE-2025-0755: MongoDB C Driver bson library may be susceptible to buffer overflow
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
Classification
CVE ID: CVE-2025-0755
CVSS Base Severity: HIGH
CVSS Base Score: 8.4
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Problem Types
CWE-122: Heap-based Buffer OverflowAffected Products
Vendor: MongoDB Inc, MongoDB Inc
Product: libbson, MongoDB Server
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.02% (probability of being exploited)
EPSS Percentile: 3.01% (scored less or equal to compared to others)
EPSS Date: 2025-04-16 (when was this score calculated)
References
https://nvd.nist.gov/vuln/detail/CVE-2025-0755https://jira.mongodb.org/browse/SERVER-94461