An authenticated user with standard read/write privileges can cause the mongod process to terminate due to an out-of-memory condition by sending a crafted aggregation command. MongoDB's libmongocrypt library insufficiently validates payload-supplied values, which can result in an excessively large memory allocation.
Fix
Patch, vendor advisory and mitigation references on NVD 1
- https://jira.mongodb.org/browse/SERVER-127737 Vendor Advisory, Issue Tracking
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 5.3 · mongodbNVD modified 2026-10-24 13:10
Affected (CPE criteria) 1
cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:*
References 1
- https://jira.mongodb.org/browse/SERVER-127737 Vendor Advisory, Issue Tracking