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Heap overflow via truncated base64 encoding of binary fields in length-limited JSON output

🗓️ 03 Sep 2026 14:59:01Reported by MongoDBType 
mongodb
 mongodb
🔗 www.mongodb.com👁 11 Views

Heap overflow in MongoDB C Driver BSON-to-JSON via truncated base64 of binary fields.

Related
Detection
Refs
Vulners
Node
OR
mongodbc_driverRange1.30.0–1.30.9
mongodbc_driverRange2.0.0–2.5.2

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03 Sep 2026 15:08Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.13.7
CVSS 46.3
EPSS0.00271
SSVC
11