Description
Inserting certain large documents into a replica set could lead to replica set secondaries not being able to fetch the oplog from the primary. This could stall replication inside the replica set leading to server crash.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| MongoDB | MongoDB Server | 8.0 – < 8.0.18, 7.0 – < 7.0.29 | 8.0.18 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | mongodb | No fix yet | — |
| Ubuntu Pro 18.04 LTS | mongodb | No fix yet | — |
| Ubuntu Pro 16.04 LTS | mongodb | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | mongodb | No fix yet | — |
Advisories 1
- WID-SEC-2026-0386 MongoDB Server, Go Driver, Ruby Driver: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 18, 2026