Arch Linux Security Advisory ASA-202107-2
========================================
Severity: Critical
Date    : 2021-07-01
CVE-ID  : CVE-2021-30544 CVE-2021-30548 CVE-2021-30551
Package : electron11
Type    : multiple issues
Remote  : Yes
Link    : https://security.archlinux.org/AVG-2099

Summary
======
The package electron11 before version 11.4.9-1 is vulnerable to
multiple issues including arbitrary code execution and incorrect
calculation.

Resolution
=========
Upgrade to 11.4.9-1.

# pacman -Syu "electron11>=11.4.9-1"

The problems have been fixed upstream in version 11.4.9.

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

Description
==========
- CVE-2021-30544 (arbitrary code execution)

A use after free security issue has been found in the BFCache component
of the Chromium browser before version 91.0.4472.101.

- CVE-2021-30548 (arbitrary code execution)

A use after free security issue has been found in the Loader component
of the Chromium browser before version 91.0.4472.101.

- CVE-2021-30551 (incorrect calculation)

A type confusion security issue has been found in the V8 component of
the Chromium browser before version 91.0.4472.101. Google is aware that
an exploit for CVE-2021-30551 exists in the wild.

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://www.electronjs.org/releases/stable?version=11#11.4.9
https://chromereleases.googleblog.com/2021/06/stable-channel-update-for-desktop.html
https://bugs.chromium.org/p/chromium/issues/detail
https://bugs.chromium.org/p/chromium/issues/detail
https://bugs.chromium.org/p/chromium/issues/detail
https://security.archlinux.org/CVE-2021-30544
https://security.archlinux.org/CVE-2021-30548
https://security.archlinux.org/CVE-2021-30551