CVE catalog
CVE-2023-5871
libnbd: CVE-2023-5871
- Severity
- Medium · CVSS 5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.92% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | libnbd | sid | 1.24.4-1 | fixed |
| Debian | libnbd | forky | 1.24.4-1 | fixed |
| Debian | libnbd | trixie | 1.22.2-1 | fixed |
| Debian | libnbd | bookworm | 1.14.2-1 | not affected |
| Ubuntu | libnbd | 20.04 | 1.0.3-1 | vulnerable |
| Ubuntu | libnbd | 20.04 | 1.2.1-2 | vulnerable |
| Ubuntu | libnbd | 20.04 | 1.2.2-1ubuntu2 | vulnerable |
| Ubuntu | libnbd | 22.04 | 1.6.3-1 | vulnerable |
| Ubuntu | libnbd | 22.04 | 1.8.5-1 | vulnerable |
| Ubuntu | libnbd | 22.04 | 1.10.2-1 | vulnerable |
| Ubuntu | libnbd | 22.04 | 1.10.5-1 | vulnerable |
| Ubuntu | libnbd | 24.04 | 1.16.4-1 | vulnerable |
| Ubuntu | libnbd | 24.04 | 1.18.1-1 | vulnerable |
| Ubuntu | libnbd | 24.04 | 1.18.2-1 | vulnerable |
| Ubuntu | libnbd | 24.04 | 1.18.2-1build1 | vulnerable |
| Ubuntu | libnbd | 24.04 | 1.18.2-2 | vulnerable |
| Ubuntu | libnbd | 24.04 | 1.18.2-2build1 | vulnerable |
| Ubuntu | libnbd | 24.04 | 1.20.0-1 | vulnerable |
| Opensuse | libnbd | leap 15.4 | 1.18.1-150300.8.18.1 | fixed |
| Opensuse | libnbd | leap 15.5 | 1.18.1-150300.8.18.1 | fixed |
| Opensuse | libnbd | tumbleweed | 1.18.1-2.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libnbd | source | sid | 1.18.1-1 | not yet assigned | Not reported | [1055170] |
| Debian | libnbd | source | forky | 1.18.1-1 | not yet assigned | Not reported | [1055170] |
| Debian | libnbd | source | trixie | 1.18.1-1 | not yet assigned | Not reported | [1055170] |
| Debian | libnbd | source | bookworm | Not affected | unimportant | Not reported | [1055170] |
| Opensuse | libnbd | rpm | leap 15.4 | 1.18.1-150300.8.18.1 | Not reported | SUSE-SU-2023:4463-1 | Not reported |
| Opensuse | libnbd | rpm | leap 15.5 | 1.18.1-150300.8.18.1 | Not reported | SUSE-SU-2023:4463-1 | Not reported |
| Opensuse | libnbd | rpm | tumbleweed | 1.18.1-2.1 | Not reported | OPENSUSE-SU-2024:13422-1 | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
References
- [https://access.redhat.com/errata/RHSA-2024:2204]
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2023_4463-1.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2023-5871]
- [https://osv.dev/vulnerability/SUSE-SU-2023:4463-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2023-5871]
- [https://osv.dev/vulnerability/openSUSE-SU-2024:13422-1]
- [https://security-tracker.debian.org/tracker/CVE-2023-5871]
- [https://wid.cert-bund.de/.well-known/csaf/white/2024/wid-sec-w-2024-0995.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]