MongoDB C Driver bson library may be susceptible to buffer overflow (CVE-2025-0755)
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
MongoDB C Driver bson library may be susceptible to buffer overflow (CVE-2025-0755)
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
Affected software
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Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- BIT-mongodb-2025-0755
- Osv Schema Version
- 1.6.2
- Aliases
- ["CVE-2025-0755"]
- Ecosystems
- ["Bitnami"]
- Database Specific Severity
- High
Threat ID: 6aa3299091cc7f3848d1b77e
Added to database: 09/10/2026, 22:05:04 UTC
Last updated: 09/10/2026, 22:05:04 UTC
Views: 1
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