Alpine: webkit2gtk: security update to 2.32.4-r0

high Tenable Self-Hosted Container Security Plugin ID 426831

Description

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

- A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.8 and
iPadOS 14.8, macOS Big Sur 11.6. Processing maliciously crafted web content may lead to arbitrary code
execution. Apple is aware of a report that this issue may have been actively exploited. (CVE-2021-30858)

- A use after free issue was addressed with improved memory management. This issue is fixed in Safari 15,
tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to arbitrary
code execution. (CVE-2021-30809)

- An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.8 and
iPadOS 14.8, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing a maliciously crafted audio file may
disclose restricted memory. (CVE-2021-30836)

- A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 14.8 and
iPadOS 14.8, Safari 15, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to code
execution. (CVE-2021-30848)

- Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS
14.8 and iPadOS 14.8, watchOS 8, Safari 15, tvOS 15, iOS 15 and iPadOS 15, iTunes 12.12 for Windows.
Processing maliciously crafted web content may lead to arbitrary code execution. (CVE-2021-30849)

Plugin Details

Severity: High

ID: 426831

Version: Revision 1.2

Type: Local

Family: Alpine Linux Local Security Checks

Published: 5/16/2025

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.15

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.6

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

CVSS Score Source: CVE-2021-30858

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 8.2

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

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 8/24/2021

CISA Known Exploited Vulnerability Due Dates: 11/17/2021

Reference Information

CVE: CVE-2021-30809, CVE-2021-30836, CVE-2021-30848, CVE-2021-30849, CVE-2021-30858, CVE-2021-45482

Detections

Analytics