Alpine: webkit2gtk: security update to 2.30.6-r0

critical Tenable Cloud Security Plugin ID 426829

Description

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

- A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.2,
Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. A remote
attacker may be able to cause arbitrary code execution. Apple is aware of a report that this issue may
have been actively exploited.. (CVE-2021-1870)

- A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur
11.0.1, watchOS 7.1, iOS 14.2 and iPadOS 14.2, iCloud for Windows 11.5, Safari 14.0.1, tvOS 14.2, iTunes
12.11 for Windows. Processing maliciously crafted web content may lead to arbitrary code execution.
(CVE-2020-27918)

- "Clear History and Website Data" did not clear the history. The issue was addressed with improved data
deletion. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update
2020-007 Mojave, iOS 14.3 and iPadOS 14.3, tvOS 14.3. A user may be unable to fully delete browsing
history. (CVE-2020-29623)

- This issue was addressed with improved iframe sandbox enforcement. This issue is fixed in macOS Big Sur
11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave. Maliciously crafted web content
may violate iframe sandboxing policy. (CVE-2021-1765)

- A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur
11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, watchOS 7.3, iOS 14.4
and iPadOS 14.4, Safari 14.0.3. Processing maliciously crafted web content may lead to arbitrary code
execution. (CVE-2021-1789)

Plugin Details

Severity: Critical

ID: 426829

Version: Revision 1.4

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: 6.9

Percentile: 97.07

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.2

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

CVSS Score Source: CVE-2021-1870

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/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: 11/12/2020

CISA Known Exploited Vulnerability Due Dates: 11/17/2021, 5/25/2022

Reference Information

CVE: CVE-2020-27918, CVE-2020-29623, CVE-2021-1765, CVE-2021-1789, CVE-2021-1799, CVE-2021-1801, CVE-2021-1870, CVE-2021-21806

Detections

Analytics