Important: chromium-browser security update

Synopsis

Important: chromium-browser security update

Type/Severity

Security Advisory: Important

Topic

An update for chromium-browser is now available for Red Hat Enterprise Linux 6 Supplementary.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

Chromium is an open-source web browser, powered by WebKit (Blink).

This update upgrades Chromium to version 80.0.3987.122.

Security Fix(es):

• ICU: Integer overflow in UnicodeString::doAppend() (BZ#1807349)
  
• chromium-browser: Type confusion in V8 (CVE-2020-6383)
  
• chromium-browser: Use after free in WebAudio (CVE-2020-6384)
  
• chromium-browser: Use after free in speech (CVE-2020-6386)
  
• chromium-browser: Out of bounds memory access in streams (CVE-2020-6407)
  
• chromium-browser: Type confusion in V8 (CVE-2020-6418)
  

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

After installing the update, Chromium must be restarted for the changes to take effect.

Affected Products

• Red Hat Enterprise Linux Server 6 x86_64
• Red Hat Enterprise Linux Server 6 i386
• Red Hat Enterprise Linux Workstation 6 x86_64
• Red Hat Enterprise Linux Workstation 6 i386
• Red Hat Enterprise Linux Desktop 6 x86_64
• Red Hat Enterprise Linux Desktop 6 i386
• Red Hat Enterprise Linux for Scientific Computing 6 x86_64

Fixes

• BZ - 1807343 - CVE-2020-6418 chromium-browser: Type confusion in V8
• BZ - 1807349 - ICU: Integer overflow in UnicodeString::doAppend()
• BZ - 1807381 - CVE-2020-6407 chromium-browser: Out of bounds memory access in streams
• BZ - 1807498 - CVE-2020-6383 chromium-browser: Type confusion in V8
• BZ - 1807499 - CVE-2020-6384 chromium-browser: Use after free in WebAudio
• BZ - 1807500 - CVE-2020-6386 chromium-browser: Use after free in speech

CVEs

• CVE-2020-6383
• CVE-2020-6384
• CVE-2020-6386
• CVE-2020-6407
• CVE-2020-6418

References

• https://access.redhat.com/security/updates/classification/#important