RHSA-2020:3740 - Security Advisory

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 85.0.4183.102.

Security Fix(es):

• chromium-browser: Use after free in video (CVE-2020-6573)
• chromium-browser: Insufficient policy enforcement in installer (CVE-2020-6574)
• chromium-browser: Race in Mojo (CVE-2020-6575)
• chromium-browser: Use after free in offscreen canvas (CVE-2020-6576)
• chromium-browser: Insufficient policy enforcement in networking (CVE-2020-15959)

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 - 1877090 - CVE-2020-6573 chromium-browser: Use after free in video
• BZ - 1877091 - CVE-2020-6574 chromium-browser: Insufficient policy enforcement in installer
• BZ - 1877093 - CVE-2020-6575 chromium-browser: Race in Mojo
• BZ - 1877094 - CVE-2020-6576 chromium-browser: Use after free in offscreen canvas
• BZ - 1877095 - CVE-2020-15959 chromium-browser: Insufficient policy enforcement in networking

CVEs

• CVE-2020-6573
• CVE-2020-6574
• CVE-2020-6575
• CVE-2020-6576
• CVE-2020-15959

References

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