CVE-2025-47712

MEDIUM

nbdkit - Denial of Service via Large Block Status Request

Title source: llm
STIX 2.1

Description

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.

References (3)

Core 3
Core References
Third Party Advisory vdb-entry x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2025-47712
Issue Tracking, Third Party Advisory issue-tracking x_refsource_redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2365724

Scores

CVSS v3 6.5
EPSS 0.0039
EPSS Percentile 31.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-190
Status published
Products (7)
nbdkit_project/nbdkit
Red Hat/Red Hat Enterprise Linux 10
Red Hat/Red Hat Enterprise Linux 7
Red Hat/Red Hat Enterprise Linux 8
Red Hat/Red Hat Enterprise Linux 8 Advanced Virtualization
Red Hat/Red Hat Enterprise Linux 9
Red Hat/Red Hat In-Vehicle Operating System 1
Published Jun 09, 2025
Tracked Since Feb 18, 2026