VDB
CVE-2025-47712
CVE-2025-47712
PUBLISHED
CVSS 6.5 MEDIUM
A flaw exists in the nbdkit "blocksize" filter that can be triggered by a specific type of client request. When a client requests block status information for a very large data range, exceeding a certain limit, it causes an internal error in the nbdkit, leading to a denial of service.
EPSS 0.39% · 31.7th percentile
Risk Scores
CVSS 3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.39%
31.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | Red Hat Enterprise Linux 8 Advanced Virtualization | |
| Red Hat | Red Hat Enterprise Linux 7 | |
| nbdkit_project | nbdkit | |
| Red Hat | Red Hat Enterprise Linux 10 | |
| Red Hat | Red Hat Enterprise Linux 8 Advanced Virtualization | |
| Red Hat | Red Hat Enterprise Linux 8 | |
| 1.21.16, 1.40.0, 1.42.0 | ||
| Red Hat | Red Hat Enterprise Linux 9 |
Timeline
- May 14, 2025 CVE Published
- Jun 9, 2025 EPSS Score
- Jun 9, 2025 PoC Published
- Jun 11, 2025 Coalition ESS Score
- Jun 20, 2025 EPSS Score
- Jun 30, 2025 EPSS Score
- Jul 11, 2025 EPSS Score
- Jul 21, 2025 EPSS Score
- Jul 29, 2025 Coalition ESS Score
- Aug 1, 2025 EPSS Score
- Aug 11, 2025 EPSS Score
- Aug 21, 2025 Coalition ESS Score
References
- https://access.redhat.com/security/cve/CVE-2025-47712 vdb
- RHBZ#2365724 issue
- https://lists.libguestfs.org/archives/list/guestfs@lists.libguestfs.org/thread/67E7AASHHADIY7VAD3FFW2I67LTWVWYF/ url
- https://nvd.nist.gov/vuln/detail/CVE-2025-47712 advisory
- https://lists.libguestfs.org/archives/list/guestfs@lists.libguestfs.org/thread/67E7AASHHADIY7VAD3FFW2I67LTWVWYF url