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Red Hat Enterprise Linux: RHSA-2020-2382-01 Important: Firefox Security Fix

red hat
Calendar Grey June 3, 2020
Dist Redhat Esm H88
Keep up-to-date on the essential Firefox security patch for Red Hat, addressing significant weaknesses with thorough resolutions.
An update for firefox is now available for Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions

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 issue update red hat important firefox memory safety

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 E4S (v. 8.0):
Source: firefox-68.9.0-1.el8_0.src.rpm
aarch64: firefox-68.9.0-1.el8_0.aarch64.rpm firefox-debuginfo-68.9.0-1.el8_0.aarch64.rpm firefox-debugsource-68.9.0-1.el8_0.aarch64.rpm
ppc64le: firefox-68.9.0-1.el8_0.ppc64le.rpm firefox-debuginfo-68.9.0-1.el8_0.ppc64le.rpm firefox-debugsource-68.9.0-1.el8_0.ppc64le.rpm
s390x: firefox-68.9.0-1.el8_0.s390x.rpm firefox-debuginfo-68.9.0-1.el8_0.s390x.rpm firefox-debugsource-68.9.0-1.el8_0.s390x.rpm
x86_64: firefox-68.9.0-1.el8_0.x86_64.rpm firefox-debuginfo-68.9.0-1.el8_0.x86_64.rpm firefox-debugsource-68.9.0-1.el8_0.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-2020:2382-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2382
Issue date: 2020-06-03

Topic

An update for firefox is now available for Red Hat Enterprise Linux 8.0Update Services for SAP Solutions.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 issue update red hat important firefox memory safety

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream E4S (v. 8.0) - 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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