CVE-2025-47712

Published Jun 9, 2025

Last updated a month ago

CVSS medium 4.3

Overview

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.
Source
secalert@redhat.com
NVD status
Awaiting Analysis

Risk scores

CVSS 3.1

Type
Primary
Base score
4.3
Impact score
1.4
Exploitability score
2.8
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Severity
MEDIUM

Weaknesses

secalert@redhat.com
CWE-190

Social media

Hype score
Not currently trending

  1. CVE-2025-47712 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 … https://t.co/qkmebV49mb

    @CVEnew

    9 Jun 2025

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References

Sources include official advisories and independent security research.