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

Affected: MongoDB Inc libbson, MongoDB Inc MongoDB Server

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

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