GLSA 202008-10: Chromium, Google Chrome: Heap buffer overflow

http://security.gentoo.org/

Severity:	normal
Title:	Chromium, Google Chrome: Heap buffer overflow
Date:	08/25/2020
Bugs:	#737942
ID:	202008-10

Synopsis

A vulnerablity has been found in Chromium and Google Chrome that could allow a remote attacker to execute arbitrary code.

Background

Chromium is an open-source browser project that aims to build a safer, faster, and more stable way for all users to experience the web.

Google Chrome is one fast, simple, and secure browser for all your devices.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
www-client/google-chrome	< 84.0.4147.135	>= 84.0.4147.135	All supported architectures
www-client/chromium	< 84.0.4147.135	>= 84.0.4147.135	All supported architectures

Description

A buffer overflow has been discovered in Chromium and Google Chrome’s SwiftShader component.

Impact

A remote attacker, by enticing a user to visit a specially crafted website, could execute arbitrary code with the privileges of the process.

Workaround

There is no known workaround at this time.

Resolution

All Chromium users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose
      ">=www-client/chromium-84.0.4147.135"

All Google Chrome users should upgrade to the latest version:


      # emerge --sync
      # emerge --ask --oneshot --verbose
      ">=www-client/google-chrome-84.0.4147.135"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202008-10.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.