[manjaro-security] [ASA-202110-8] opera: multiple issues

[Jonas Witschel via arch-security]

Arch Linux Security Advisory ASA-202110-8
=========================================

Severity: High
Date    : 2021-10-29
CVE-ID  : CVE-2021-37977 CVE-2021-37978 CVE-2021-37979 CVE-2021-37980
Package : opera
Type    : multiple issues
Remote  : Yes
Link    : https://security.archlinux.org/AVG-2444

Summary
=======

The package opera before version 80.0.4170.63-1 is vulnerable to
multiple issues including arbitrary code execution and sandbox escape.

Resolution
==========

Upgrade to 80.0.4170.63-1.

# pacman -Syu "opera>=80.0.4170.63-1"

The problems have been fixed upstream in version 80.0.4170.63.

Workaround
==========

None.

Description
===========

- CVE-2021-37977 (arbitrary code execution)

A use after free security issue has been found in the Garbage
Collection component of the Chromium browser engine before version
94.0.4606.81.

- CVE-2021-37978 (arbitrary code execution)

A heap buffer overflow security issue has been found in the Blink
component of the Chromium browser engine before version 94.0.4606.81.

- CVE-2021-37979 (arbitrary code execution)

A heap buffer overflow security issue has been found in the WebRTC
component of the Chromium browser engine before version 94.0.4606.81.

- CVE-2021-37980 (sandbox escape)

An inappropriate implementation security issue has been found in the
Sandbox component of the Chromium browser engine before version
94.0.4606.81.

Impact
======

A remote attacker could execute arbitrary code or disclose sensitive
information through crafted web content.

References
==========

https://blogs.opera.com/desktop/changelog-for-80/
https://chromereleases.googleblog.com/2021/10/stable-channel-update-for-desktop.html
https://crbug.com/1252878
https://crbug.com/1236318
https://crbug.com/1247260
https://crbug.com/1254631
https://security.archlinux.org/CVE-2021-37977
https://security.archlinux.org/CVE-2021-37978
https://security.archlinux.org/CVE-2021-37979
https://security.archlinux.org/CVE-2021-37980
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