Arch Linux Security Advisory ASA-202111-4
=========================================

Severity: High
Date    : 2021-11-05
CVE-ID  : CVE-2021-37981 CVE-2021-37982 CVE-2021-37983 CVE-2021-37984
          CVE-2021-37985 CVE-2021-37986 CVE-2021-37987 CVE-2021-37988
          CVE-2021-37989 CVE-2021-37990 CVE-2021-37991 CVE-2021-37992
          CVE-2021-37993 CVE-2021-37994 CVE-2021-37995 CVE-2021-37996
Package : opera
Type    : multiple issues
Remote  : Yes
Link    : https://security.archlinux.org/AVG-2468

Summary
=======

The package opera before version 81.0.4196.31-1 is vulnerable to
multiple issues including arbitrary code execution, information
disclosure and insufficient validation.

Resolution
==========

Upgrade to 81.0.4196.31-1.

# pacman -Syu "opera>=81.0.4196.31-1"

The problems have been fixed upstream in version 81.0.4196.31.

Workaround
==========

None.

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

- CVE-2021-37981 (arbitrary code execution)

A heap buffer overflow security issue has been found in the Skia
component of the Chromium browser engine before version 95.0.4638.54.

- CVE-2021-37982 (arbitrary code execution)

A use after free security issue has been found in the Incognito
component of the Chromium browser engine before version 95.0.4638.54.

- CVE-2021-37983 (arbitrary code execution)

A use after free security issue has been found in the Dev Tools
component of the Chromium browser engine before version 95.0.4638.54.

- CVE-2021-37984 (arbitrary code execution)

A heap buffer overflow security issue has been found in the PDFium
component of the Chromium browser engine before version 95.0.4638.54.

- CVE-2021-37985 (arbitrary code execution)

A use after free security issue has been found in the V8 component of
the Chromium browser engine before version 95.0.4638.54.

- CVE-2021-37986 (arbitrary code execution)

A heap buffer overflow security issue has been found in the Settings
component of the Chromium browser engine before version 95.0.4638.54.

- CVE-2021-37987 (arbitrary code execution)

A use after free security issue has been found in the Network APIs
component of the Chromium browser engine before version 95.0.4638.54.

- CVE-2021-37988 (arbitrary code execution)

A use after free security issue has been found in the Profiles
component of the Chromium browser engine before version 95.0.4638.54.

- CVE-2021-37989 (arbitrary code execution)

An inappropriate implementation security issue has been found in the
Blink component of the Chromium browser engine before version
95.0.4638.54.

- CVE-2021-37990 (arbitrary code execution)

An inappropriate implementation security issue has been found in the
WebView component of the Chromium browser engine before version
95.0.4638.54.

- CVE-2021-37991 (arbitrary code execution)

A race security issue has been found in the V8 component of the
Chromium browser engine before version 95.0.4638.54.

- CVE-2021-37992 (information disclosure)

An out of bounds read security issue has been found in the WebAudio
component of the Chromium browser engine before version 95.0.4638.54.

- CVE-2021-37993 (arbitrary code execution)

A use after free security issue has been found in the PDF Accessibility
component of the Chromium browser engine before version 95.0.4638.54.

- CVE-2021-37994 (arbitrary code execution)

An inappropriate implementation security issue has been found in the
iFrame Sandbox component of the Chromium browser engine before version
95.0.4638.54.

- CVE-2021-37995 (arbitrary code execution)

An inappropriate implementation security issue has been found in the
WebApp Installer component of the Chromium browser engine before
version 95.0.4638.54.

- CVE-2021-37996 (insufficient validation)

An insufficient validation of untrusted input security issue has been
found in the Downloads component of the Chromium browser engine before
version 95.0.4638.54.

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://blogs.opera.com/desktop/changelog-for-81/
https://chromereleases.googleblog.com/2021/10/stable-channel-update-for-desktop_19.html
https://crbug.com/1246631
https://crbug.com/1248661
https://crbug.com/1249810
https://crbug.com/1253399
https://crbug.com/1241860
https://crbug.com/1242404
https://crbug.com/1206928
https://crbug.com/1228248
https://crbug.com/1233067
https://crbug.com/1247395
https://crbug.com/1250660
https://crbug.com/1253746
https://crbug.com/1255332
https://crbug.com/1100761
https://crbug.com/1242315
https://crbug.com/1243020
https://security.archlinux.org/CVE-2021-37981
https://security.archlinux.org/CVE-2021-37982
https://security.archlinux.org/CVE-2021-37983
https://security.archlinux.org/CVE-2021-37984
https://security.archlinux.org/CVE-2021-37985
https://security.archlinux.org/CVE-2021-37986
https://security.archlinux.org/CVE-2021-37987
https://security.archlinux.org/CVE-2021-37988
https://security.archlinux.org/CVE-2021-37989
https://security.archlinux.org/CVE-2021-37990
https://security.archlinux.org/CVE-2021-37991
https://security.archlinux.org/CVE-2021-37992
https://security.archlinux.org/CVE-2021-37993
https://security.archlinux.org/CVE-2021-37994
https://security.archlinux.org/CVE-2021-37995
https://security.archlinux.org/CVE-2021-37996