Alpine: PyYAML: security update to 5.3.1-r1 (deprecated)

critical Tenable Self-Hosted Container Security Plugin ID 400298

Description

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

- A vulnerability was discovered in the PyYAML library in versions before 5.4, where it is susceptible to
arbitrary code execution when it processes untrusted YAML files through the full_load method or with the
FullLoader loader. Applications that use the library to process untrusted input may be vulnerable to this
flaw. This flaw allows an attacker to execute arbitrary code on the system by abusing the
python/object/new constructor. This flaw is due to an incomplete fix for CVE-2020-1747. (CVE-2020-14343)

Plugin Details

Severity: Critical

ID: 400298

Version: Revision 1.25

Type: Local

Family: Alpine Linux Local Security Checks

Published: 8/16/2023

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.95

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2020-14343

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/20/2021

Vulnerability Publication Date: 1/21/2021

Reference Information

CVE: CVE-2020-14343

Detections

Analytics