CVE-2025-47711
6.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
1.11.10 < 1.38.6 | affected | ||
1.40.0 < 1.40.6 | affected | ||
1.42.0 < 1.42.3 | affected |
Weaknesses
- CWE-193: Off-by-one Error
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://access.redhat.com/security/cve/CVE-2025-47711
- https://bugzilla.redhat.com/show_bug.cgi?id=2365687
- https://lists.libguestfs.org/archives/list/guestfs@lists.libguestfs.org/thread/67E7AASHHADIY7VAD3FFW2I67LTWVWYF/
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