CVE-2026-106437

The BSON buffer-reservation API in the MongoDB C Driver can record a length smaller than the five-byte BSON minimum. Later append or comparison operations can underflow unsigned length calculations and read or write outside the document buffer. An actor who can influence the length supplied by an...

CVE-2026-106437

The MongoDB C Driver contains an out-of-bounds read and write vulnerability within its BSON buffer-reservation API. The root cause is an integer underflow (CWE-191) that occurs when the API records a length smaller than the five-byte BSON minimum. Subsequent append or comparison operations can tr...

EUVD-2026-95153

The BSON buffer-reservation API in the MongoDB C Driver can record a length smaller than the five-byte BSON minimum. Later append or comparison operations can underflow unsigned length calculations and read or write outside the document buffer. An actor who can influence the length supplied by an...

PT-2026-108140

Name of the Vulnerable Software and Affected Versions MongoDB C Driver affected versions not specified Description The BSON buffer-reservation API in the MongoDB C Driver can record a length smaller than the five-byte BSON minimum. This allows subsequent append or comparison operations to underfl...