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Red Hat Enterprise Linux 7: RHSA-2020-0520-01 Important: Firefox Update

red hat
Calendar Grey February 17, 2020
Dist Redhat Esm H88
Red Hat Enterprise Linux announces significant update to Firefox, resolving critical memory safety and code injection vulnerabilities. Find out more information here.
An update for firefox is now available for Red Hat Enterprise Linux 7

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 68.5.0 ESR.
Security Fix(es):
* Mozilla: Missing bounds check on shared memory read in the parent process (CVE-2020-6796)
* Mozilla: Memory safety bugs fixed in Firefox 73 and Firefox ESR 68.5 (CVE-2020-6800)
* Mozilla: Incorrect parsing of template tag could result in JavaScript injection (CVE-2020-6798)
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 update important firefox red hat enterprise memory safety javascript injection

References

https://access.redhat.com/security/cve/CVE-2020-6796 https://access.redhat.com/security/cve/CVE-2020-6798 https://access.redhat.com/security/cve/CVE-2020-6800 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: firefox-68.5.0-2.el7_7.src.rpm
x86_64: firefox-68.5.0-2.el7_7.x86_64.rpm firefox-debuginfo-68.5.0-2.el7_7.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: firefox-68.5.0-2.el7_7.i686.rpm firefox-debuginfo-68.5.0-2.el7_7.i686.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: firefox-68.5.0-2.el7_7.src.rpm
ppc64: firefox-68.5.0-2.el7_7.ppc64.rpm firefox-debuginfo-68.5.0-2.el7_7.ppc64.rpm
ppc64le: firefox-68.5.0-2.el7_7.ppc64le.rpm firefox-debuginfo-68.5.0-2.el7_7.ppc64le.rpm
s390x: firefox-68.5.0-2.el7_7.s390x.rpm firefox-debuginfo-68.5.0-2.el7_7.s390x.rpm
x86_64: firefox-68.5.0-2.el7_7.x86_64.rpm firefox-debuginfo-68.5.0-2.el7_7.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
x86_64: firefox-68.5.0-2.el7_7.i686.rpm firefox-debuginfo-68.5.0-2.el7_7.i686.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source: firefox-68.5.0-2.el7_7.src.rpm
x86_64: firefox-68.5.0-2.el7_7.x86_64.rpm firefox-debuginfo-68.5.0-2.el7_7.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64: firefox-68.5.0-2.el7_7.i686.rpm firefox-debuginfo-68.5.0-2.el7_7.i686.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-2020:0520-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0520
Issue date: 2020-02-17

Topic

An update for firefox is now available for Red Hat Enterprise Linux 7.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 update important firefox red hat enterprise memory safety javascript injection

Relevant Releases Architectures

Red Hat Enterprise Linux Client (v. 7) - x86_64

Red Hat Enterprise Linux Client Optional (v. 7) - x86_64

Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 7) - x86_64

Red Hat Enterprise Linux Workstation (v. 7) - x86_64

Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

Bugs Fixed

1801916 - CVE-2020-6796 Mozilla: Missing bounds check on shared memory read in the parent process

1801918 - CVE-2020-6798 Mozilla: Incorrect parsing of template tag could result in JavaScript injection

1801920 - CVE-2020-6800 Mozilla: Memory safety bugs fixed in Firefox 73 and Firefox ESR 68.5

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