Detections
Analytics

Alpine: multiple libnbd packages: security update to 1.10.5-r0

low Tenable Self-Hosted Container Security Plugin ID 427191

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - A flaw was found in libnbd 1.7.3. An assertion failure in nbd_unlocked_opt_go in ilb/opt.c may lead to
 denial of service. (CVE-2021-20286)

See Also

https://security.alpinelinux.org/vuln/CVE-2021-20286

Plugin Details

Severity: Low

ID: 427191

Version: Revision 1.4

Type: Local

Published: 5/16/2025

Updated: 7/2/2026

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:P

CVSS Score Source: CVE-2021-20286

CVSS v3

Risk Factor: Low

Base Score: 2.7

Temporal Score: 2.4

Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 3/15/2021

Reference Information

CVE: CVE-2021-20286