Alpine: multiple privoxy packages: security update to 3.0.29-r0

high Tenable Self-Hosted Container Security Plugin ID 424386

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 3.0.29. Memory leaks in the show-status CGI handler when
memory allocations fail can lead to a system crash. (CVE-2021-20215)

- A flaw was found in Privoxy in versions before 3.0.29. Memory leak in the show-status CGI handler when no
filter files are configured can lead to a system crash. (CVE-2021-20210)

- A flaw was found in Privoxy in versions before 3.0.29. Memory leak when client tags are active can cause a
system crash. (CVE-2021-20211)

- A flaw was found in Privoxy in versions before 3.0.29. Memory leak if multiple filters are executed and
the last one is skipped due to a pcre error leading to a system crash. (CVE-2021-20212)

- A flaw was found in Privoxy in versions before 3.0.29. Dereference of a NULL-pointer that could result in
a crash if accept-intercepted-requests was enabled, Privoxy failed to get the request destination from the
Host header and a memory allocation failed. (CVE-2021-20213)

Plugin Details

Severity: High

ID: 424386

Version: Revision 1.8

Type: Local

Family: Alpine Linux Local Security Checks

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-2021-20215

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: 3/1/2021

Reference Information

CVE: CVE-2021-20210, CVE-2021-20211, CVE-2021-20212, CVE-2021-20213, CVE-2021-20214, CVE-2021-20215

Detections

Analytics