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One-byte heap buffer overflow in BSON bulk document writer in MongoDB C Driver

🗓️ 08 Oct 2026 18:40:32Reported by MongoDBType 
mongodb
 mongodb
🔗 www.mongodb.com👁 13 Views

Heap buffer overflow in MongoDB C Driver BSON bulk document writer leads to memory corruption.

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Detection
Refs
Vulners
Node
OR
mongodbc_driverRange0.5.0–1.30.13
mongodbc_driverRange2.0.0–2.5.6

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08 Oct 2026 19:19Current
6.3Medium risk
Vulners AI Score6.3
CVSS 3.15.7
CVSS 45.9
EPSS0.00097
13