Medium severity6.5NVD Advisory· Published Jun 9, 2025· Updated Jun 30, 2026

CVE-2025-47711

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

osv-coords4 versions
pkg:rpm/opensuse/nbdkit&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/nbdkit&distro=openSUSE%20Tumbleweed pkg:rpm/suse/nbdkit&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP6 pkg:rpm/suse/nbdkit&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP7
< 1.36.5-150400.3.9.1+ 3 more
- (no CPE)range: < 1.36.5-150400.3.9.1
- (no CPE)range: < 1.42.3-1.1
- (no CPE)range: < 1.36.5-150400.3.9.1
- (no CPE)range: < 1.40.6-150700.4.3.1

Patches

Vulnerability mechanics

References

access.redhat.com/security/cve/CVE-2025-47711nvdVendor Advisory
bugzilla.redhat.com/show_bug.cginvdIssue Tracking
lists.libguestfs.org/archives/list/guestfs@lists.libguestfs.org/thread/67E7AASHHADIY7VAD3FFW2I67LTWVWYF/nvd

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cvss	0.423
epss	0.000
exploit	0.000
kev	0.000
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ransomware	0.000