An opera security update has been released for Arch Linux.

ASA-202107-46: opera: arbitrary code execution

Arch Linux Security Advisory ASA-202107-46
=========================================
Severity: High
Date : 2021-07-21
CVE-ID : CVE-2021-30541 CVE-2021-30559 CVE-2021-30560 CVE-2021-30561
CVE-2021-30562 CVE-2021-30563 CVE-2021-30564
Package : opera
Type : arbitrary code execution
Remote : Yes
Link :   https://security.archlinux.org/AVG-2168

Summary
======
The package opera before version 77.0.4054.277-1 is vulnerable to
arbitrary code execution.

Resolution
=========
Upgrade to 77.0.4054.277-1.

# pacman -Syu "opera>w.0.4054.277-1"

The problems have been fixed upstream in version 77.0.4054.277.

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

Description
==========
- CVE-2021-30541 (arbitrary code execution)

A use after free security issue has been found in the V8 component of
the Chromium browser engine before version 91.0.4472.164.

- CVE-2021-30559 (arbitrary code execution)

An out of bounds write security issue has been found in the ANGLE
component of the Chromium browser engine before version 91.0.4472.164.

- CVE-2021-30560 (arbitrary code execution)

A use after free security issue has been found in the Blink XSLT
component of the Chromium browser engine before version 91.0.4472.164.

- CVE-2021-30561 (arbitrary code execution)

A type confusion security issue has been found in the V8 component of
the Chromium browser engine before version 91.0.4472.164.

- CVE-2021-30562 (arbitrary code execution)

A use after free security issue has been found in the WebSerial
component of the Chromium browser engine before version 91.0.4472.164.

- CVE-2021-30563 (arbitrary code execution)

A type confusion security issue has been found in the V8 component of
the Chromium browser engine before version 91.0.4472.164. Google is
aware of reports that an exploit for CVE-2021-30563 exists in the wild.

- CVE-2021-30564 (arbitrary code execution)

A heap buffer overflow security issue has been found in the WebXR
component of the Chromium browser engine before version 91.0.4472.164.

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://blogs.opera.com/desktop/changelog-for-77/
  https://chromereleases.googleblog.com/2021/07/stable-channel-update-for-desktop.html
  https://crbug.com/1214842
  https://crbug.com/1219082
  https://crbug.com/1219209
  https://crbug.com/1219630
  https://crbug.com/1220078
  https://crbug.com/1228407
  https://crbug.com/1221309
  https://security.archlinux.org/CVE-2021-30541
  https://security.archlinux.org/CVE-2021-30559
  https://security.archlinux.org/CVE-2021-30560
  https://security.archlinux.org/CVE-2021-30561
  https://security.archlinux.org/CVE-2021-30562
  https://security.archlinux.org/CVE-2021-30563
  https://security.archlinux.org/CVE-2021-30564