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Red Hat Enterprise Linux 8 RHSA-2020-2379-01 Important Firefox Update

red hat
Calendar Grey June 3, 2020
Dist Redhat Esm H88
Critical vulnerability patch for Firefox available on Red Hat Enterprise Linux tackles numerous security risks. Act promptly!
An update for firefox is now available for Red Hat Enterprise Linux 8

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, Firefox must be restarted for the changes to take effect.

Summary

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.
This update upgrades Firefox to version 68.9.0 ESR.
Security Fix(es):
* Mozilla: Use-after-free in SharedWorkerService (CVE-2020-12405)
* Mozilla: JavaScript Type confusion with NativeTypes (CVE-2020-12406)
* Mozilla: Memory safety bugs fixed in Firefox 77 and Firefox ESR 68.9 (CVE-2020-12410)
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.

Topics%20covered

Topics Covered

security advisory security update Red Hat update important firefox browser issue

References

https://access.redhat.com/security/cve/CVE-2020-12405 https://access.redhat.com/security/cve/CVE-2020-12406 https://access.redhat.com/security/cve/CVE-2020-12410 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: firefox-68.9.0-1.el8_2.src.rpm
aarch64: firefox-68.9.0-1.el8_2.aarch64.rpm firefox-debuginfo-68.9.0-1.el8_2.aarch64.rpm firefox-debugsource-68.9.0-1.el8_2.aarch64.rpm
ppc64le: firefox-68.9.0-1.el8_2.ppc64le.rpm firefox-debuginfo-68.9.0-1.el8_2.ppc64le.rpm firefox-debugsource-68.9.0-1.el8_2.ppc64le.rpm
s390x: firefox-68.9.0-1.el8_2.s390x.rpm firefox-debuginfo-68.9.0-1.el8_2.s390x.rpm firefox-debugsource-68.9.0-1.el8_2.s390x.rpm
x86_64: firefox-68.9.0-1.el8_2.x86_64.rpm firefox-debuginfo-68.9.0-1.el8_2.x86_64.rpm firefox-debugsource-68.9.0-1.el8_2.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:2379-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2379
Issue date: 2020-06-03

Topic

An update for firefox is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security update Red Hat update important firefox browser issue

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

1843030 - CVE-2020-12410 Mozilla: Memory safety bugs fixed in Firefox 77 and Firefox ESR 68.9

1843312 - CVE-2020-12406 Mozilla: JavaScript Type confusion with NativeTypes

1843313 - CVE-2020-12405 Mozilla: Use-after-free in SharedWorkerService

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