CVE-2023-5871
Libnbd: malicious nbd server may crash libnbd
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
A flaw was found in libnbd, due to a malicious Network Block Device (NBD), a protocol for accessing Block Devices such as hard disks over a Network. This issue may allow a malicious NBD server to cause a Denial of Service.
| CWE | CWE-617 |
| Vendor | red hat |
| Product | red hat enterprise linux 9 |
| Published | Nov 27, 2023 |
| Last Updated | Nov 20, 2025 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Affected Versions
Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Enterprise Linux 6
All versions affected Red Hat / Red Hat Enterprise Linux 7
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected References
access.redhat.com: https://access.redhat.com/errata/RHSA-2024:2204 access.redhat.com: https://access.redhat.com/security/cve/CVE-2023-5871 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2247308 lists.libguestfs.org: https://lists.libguestfs.org/archives/list/[email protected]/thread/PFVUCMPFQUDC23JXSCUUPXIGDZ7XCFMD/