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.
CVSS Details
- CVSS 3.1 Base Score: 6.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade nbdkit | May 15, 2025 | May 15, 2025 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jun 9, 2025 |
| Suse | — | Upgrade nbdkit-ssh-pluginUpgrade nbdkit-basic-pluginsUpgrade nbdkit-vddk-pluginUpgrade nbdkit-serverUpgrade nbdkit-bash-completionUpgrade nbdkit-xz-filterUpgrade nbdkit-example-pluginsUpgrade nbdkit-python-pluginUpgrade nbdkit-tar-filterUpgrade nbdkit-gzip-filterUpgrade nbdkit-nbd-pluginUpgrade nbdkit-tmpdisk-pluginUpgrade nbdkit | Dec 5, 2025 | Jun 11, 2025 |
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