Alpine: multiple privoxy packages: security update to 3.0.33-r0

medium Tenable Self-Hosted Container Security Plugin ID 424368

Description

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

- A vulnerability was found in Privoxy which was fixed in get_url_spec_param() by freeing memory of compiled
pattern spec before bailing. (CVE-2021-44540)

- A vulnerability was found in Privoxy which was fixed in process_encrypted_request_headers() by freeing
header memory when failing to get the request destination. (CVE-2021-44541)

- A memory leak vulnerability was found in Privoxy when handling errors. (CVE-2021-44542)

- An XSS vulnerability was found in Privoxy which was fixed in cgi_error_no_template() by encode the
template name when Privoxy is configured to servce the user-manual itself. (CVE-2021-44543)

Plugin Details

Severity: Medium

ID: 424368

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: Low

Base Score: 2.6

Temporal Score: 1.9

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

CVSS Score Source: CVE-2021-44543

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.3

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 12/15/2021

Reference Information

CVE: CVE-2021-44540, CVE-2021-44541, CVE-2021-44542, CVE-2021-44543

Detections

Analytics