Alpine: webkit2gtk: security update to 2.30.0-r0

high Tenable Cloud Security Plugin ID 427124

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 Safari 14.1,
iOS 12.5.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. 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-2021-30661)

- A type confusion issue was addressed with improved memory handling. This issue is fixed in Safari 14.0.
Processing maliciously crafted web content may lead to arbitrary code execution. (CVE-2020-9948)

- A use after free issue was addressed with improved memory management. This issue is fixed in Safari 14.0.
Processing maliciously crafted web content may lead to arbitrary code execution. (CVE-2020-9951)

- A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Big
Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content may
lead to arbitrary code execution. (CVE-2021-1817)

- A memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS
Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content
may result in the disclosure of process memory. (CVE-2021-1820)

See Also

https://security.alpinelinux.org/vuln/CVE-2020-9948

https://security.alpinelinux.org/vuln/CVE-2020-9951

https://security.alpinelinux.org/vuln/CVE-2021-1817

https://security.alpinelinux.org/vuln/CVE-2021-1820

https://security.alpinelinux.org/vuln/CVE-2021-1825

https://security.alpinelinux.org/vuln/CVE-2021-1826

https://security.alpinelinux.org/vuln/CVE-2021-30661

Plugin Details

Severity: High

ID: 427124

Version: Revision 1.2

Type: Local

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-2021-30661

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: 10/16/2020

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

Reference Information

CVE: CVE-2020-9948, CVE-2020-9951, CVE-2021-1817, CVE-2021-1820, CVE-2021-1825, CVE-2021-1826, CVE-2021-30661