medium6.5
CVE-2025-47711
There's a flaw in the nbdkit server when handling responses from its plugins regarding the status of data blocks.
Impact
There's a flaw in the nbdkit server when handling responses from its plugins regarding the status of data blocks. If a client makes a specific request for a very large data range, and a plugin responds with an even larger single block, the nbdkit server can encounter a critical internal error, leading to a denial-of-service.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Nbdkit Project | Nbdkit | All versions |
| Redhat | Enterprise Linux | Versions 7.0, 8.0, 9.0, 10.0 |
| Redhat | Enterprise Linux Advanced Virtualization | Version 8.0 |