Alpine: multiple privoxy packages: security update to 3.0.31-r0

high Tenable Self-Hosted Container Security Plugin ID 424417

Description

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

- A flaw was found in Privoxy in versions before 3.0.31. A memory leak that occurs when decompression fails
unexpectedly may lead to a denial of service. The highest threat from this vulnerability is to system
availability. (CVE-2021-20216)

- A flaw was found in Privoxy in versions before 3.0.31. An assertion failure triggered by a crafted CGI
request may lead to denial of service. The highest threat from this vulnerability is to system
availability. (CVE-2021-20217)

See Also

https://security.alpinelinux.org/vuln/CVE-2021-20216

https://security.alpinelinux.org/vuln/CVE-2021-20217

Plugin Details

Severity: High

ID: 424417

Version: Revision 1.8

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: 3

Percentile: 23.18

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2021-20217

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

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 2/1/2021

Reference Information

CVE: CVE-2021-20216, CVE-2021-20217