CVE Vulnerabilities

CVE-2025-47711

Off-by-one Error

Published: Jun 09, 2025 | Modified: Jun 09, 2025
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
RedHat/V2
RedHat/V3
4.3 MODERATE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Ubuntu
MEDIUM

Theres 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.

Weakness

A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value.

Affected Software

Name Vendor Start Version End Version
Nbdkit Ubuntu focal *

Potential Mitigations

References