Detections
Analytics

Alpine: multiple py3-rencode packages: security update to 1.0.6-r7

high Tenable Cloud Security Plugin ID 406705

Description

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

 - The rencode package through 1.0.6 for Python allows an infinite loop in typecode decoding (such as via
 ;\x2f\x7f), enabling a remote attack that consumes CPU and memory. (CVE-2021-40839)

See Also

https://security.alpinelinux.org/vuln/CVE-2021-40839

Plugin Details

Severity: High

ID: 406705

Version: Revision 1.26

Type: Local

Published: 10/31/2023

Updated: 12/4/2025

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2021-40839

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

CVSS v4

Risk Factor: High

Base Score: 8.7

Threat Score: 6.6

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 9/10/2021

Reference Information

CVE: CVE-2021-40839