CVE-2025-47711
MEDIUMnbdkit - Denial of Service via Large Data Block Response
Title source: llmDescription
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.
References (3)
Core 3
Core References
Vendor Advisory vdb-entry
x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2025-47711
Issue Tracking issue-tracking
x_refsource_redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2365687
Scores
CVSS v3
6.5
EPSS
0.0038
EPSS Percentile
30.6%
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-193
Status
published
Products (12)
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
redhat/enterprise_linux
7.0
redhat/enterprise_linux
8.0
redhat/enterprise_linux
9.0
... and 2 more
Published
Jun 09, 2025
Tracked Since
Feb 18, 2026