CVE-2025-47711
mediumpriority · track · 0EPSS 0.005 · 40 %ileEURUUSEPSS · scored 2026-10-28
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (9)
Products and version ranges known to be affected.
- redhat enterprise linux advanced virtualization= 8.0nvdUScpe:2.3:o:redhat:enterprise_linux_advanced_virtualization:*:*:*:*:*:*:*:*
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (9)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/CVE-2025-47711cnnvd
- https://bugzilla.redhat.com/show_bug.cgi?id=2365687cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2025-47711cnnvd
- https://access.redhat.com/security/cve/CVE-2025-47711enisa_euvd
- https://bugzilla.redhat.com/show_bug.cgi?id=2365687enisa_euvd
- https://lists.libguestfs.org/archives/list/guestfs@lists.libguestfs.org/thread/67E7AASHHADIY7VAD3FFW2I67LTWVWYF/enisa_euvd
- https://access.redhat.com/security/cve/CVE-2025-47711Vendor Advisorynvd
- https://bugzilla.redhat.com/show_bug.cgi?id=2365687Issue Trackingnvd
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