Detections
Analytics

Alpine: multiple tar packages: security update to 1.34-r0

low Tenable Self-Hosted Container Security Plugin ID 424553

Description

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

 - A flaw was found in the src/list.c of tar 1.33 and earlier. This flaw allows an attacker who can submit a
 crafted input file to tar to cause uncontrolled consumption of memory. The highest threat from this
 vulnerability is to system availability. (CVE-2021-20193)

See Also

https://security.alpinelinux.org/vuln/CVE-2021-20193

Plugin Details

Severity: Low

ID: 424553

Version: Revision 1.10

Type: Local

Published: 4/4/2025

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: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2021-20193

CVSS v3

Risk Factor: Low

Base Score: 3.3

Temporal Score: 2.9

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/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: 3/26/2021

Reference Information

CVE: CVE-2021-20193