A race condition in MongoDB server's text index query parsing can cause a heap use-after-free read when handling upsert retry paths. Under certain concurrent index lifecycle operations, a raw pointer to internal text index metadata may be dereferenced after the underlying structures have been freed, leading to a server crash. An authenticated user with readWrite privileges can trigger this condition through specific concurrent text-search and index management operations, resulting in denial of service for all connected clients. This
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Mongodb | — | Upgrade MongoDB to version 8.3.9Upgrade MongoDB to version 8.0.30Upgrade MongoDB to version 7.0.41Upgrade to the latest version of MongoDB | Sep 23, 2026 | Sep 8, 2026 |
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