Cyber Resilience

CVE-2025-47711

Medium

Published: 09 June 2025

Published
09 June 2025
Modified
08 January 2026
KEV Added
Patch
CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0031 54.6th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-47711 is a medium-severity Off-by-one Error (CWE-193) vulnerability in Redhat Enterprise Linux. Its CVSS base score is 6.5 (Medium).

Operationally, ranked in the top 45.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

single block, the nbdkit server can encounter a critical internal error, leading to a denial-of-service.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

nbdkit project
nbdkit
all versions
redhat
enterprise linux
10.0, 7.0, 8.0, 9.0
redhat
enterprise linux advanced virtualization
8.0

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References