CVE-2025-47712: Nbdkit Project Nbdkit

Medium severity, CVSS 6.5. EPSS: 0.5% chance of exploitation in the next 30 days.

A flaw exists in the nbdkit "blocksize" filter that can be triggered by a specific type of client request. When a client requests block status information for a very large data range, exceeding a certain limit, it causes an internal error in the nbdkit, leading to a denial of service.

Affected products

• Nbdkit Project Nbdkit: affected versions not specified

Published 2025-06-09. Last modified 2026-06-30.