Alpine: multiple privoxy packages: security update to 3.0.32-r0

high Tenable Cloud Security Plugin ID 424365

Description

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

- A flaw was found in privoxy before 3.0.32. An assertion failure could be triggered with a crafted CGI
request leading to server crash. (CVE-2021-20272)

- A flaw was found in privoxy before 3.0.32. A crash can occur via a crafted CGI request if Privoxy is
toggled off. (CVE-2021-20273)

- A flaw was found in privoxy before 3.0.32. A crash may occur due a NULL-pointer dereference when the socks
server misbehaves. (CVE-2021-20274)

- A flaw was found in privoxy before 3.0.32. A invalid read of size two may occur in
chunked_body_is_complete() leading to denial of service. (CVE-2021-20275)

- A flaw was found in privoxy before 3.0.32. Invalid memory access with an invalid pattern passed to
pcre_compile() may lead to denial of service. (CVE-2021-20276)

Plugin Details

Severity: High

ID: 424365

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: 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-2021-20276

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: 3/9/2021

Reference Information

CVE: CVE-2021-20272, CVE-2021-20273, CVE-2021-20274, CVE-2021-20275, CVE-2021-20276

Detections

Analytics