Arch Linux: 202106-47 High: Vivaldi Code Execution Threat

Arch Linux Security Advisory ASA-202106-47
=========================================
Severity: High
Date    : 2021-06-22
CVE-ID  : CVE-2021-30554 CVE-2021-30555 CVE-2021-30556 CVE-2021-30557
Package : vivaldi
Type    : arbitrary code execution
Remote  : Yes
Link    : https://security.archlinux.org/AVG-2082

Summary
======
The package vivaldi before version 4.0.2312.33-1 is vulnerable to
arbitrary code execution.

Resolution
=========
Upgrade to 4.0.2312.33-1.

# pacman -Syu "vivaldi>=4.0.2312.33-1"

The problems have been fixed upstream in version 4.0.2312.33.

Workaround
=========
None.

Description
==========
- CVE-2021-30554 (arbitrary code execution)

A use after free security issue has been found in the WebGL component
of the Chromium browser engine before version 91.0.4472.114. Google is
aware that an exploit for CVE-2021-30554 exists in the wild.

- CVE-2021-30555 (arbitrary code execution)

A use after free security issue has been found in the Sharing component
of the Chromium browser engine before version 91.0.4472.114.

- CVE-2021-30556 (arbitrary code execution)

A use after free security issue has been found in the WebAudio
component of the Chromium browser engine before version 91.0.4472.114.

- CVE-2021-30557 (arbitrary code execution)

A use after free security issue has been found in the TabGroups
component of the Chromium browser engine before version 91.0.4472.114.

Impact
=====
A remote attacker could execute arbitrary code through a crafted web
page. Google is aware that an exploit for one of the security issues
exists in the wild.

References
=========
https://vivaldi.com/blog/desktop/minor-update-for-vivaldi-desktop-browser-4-0/
https://vivaldi.com/blog/desktop/minor-update-3-for-vivaldi-desktop-browser-4-0/
https://chromereleases.googleblog.com/2021/06/stable-channel-update-for-desktop_17.html
https://security.archlinux.org/CVE-2021-30554
https://security.archlinux.org/CVE-2021-30555
https://security.archlinux.org/CVE-2021-30556
https://security.archlinux.org/CVE-2021-30557