Alerts This Week
Warning Icon 1 770
Alerts This Week
Warning Icon 1 770

RedHat Enterprise Linux 7 RHSA-2021-2741-01 Important Firefox Update

red hat
Calendar Grey July 15, 2021
Dist Redhat Esm H88
Crucial Firefox security patch released for Red Hat Enterprise Linux 7, implementing various enhancements to boost protection.
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 78.12.0 ESR.
Security Fix(es):
* Mozilla: Use-after-free in accessibility features of a document (CVE-2021-29970)
* Mozilla: Memory safety bugs fixed in Firefox 90 and Firefox ESR 78.12 (CVE-2021-29976)
* chromium-browser: Out of bounds write in ANGLE (CVE-2021-30547)
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 red hat important firefox memory safety use-after-free

References

https://access.redhat.com/security/cve/CVE-2021-29970 https://access.redhat.com/security/cve/CVE-2021-29976 https://access.redhat.com/security/cve/CVE-2021-30547 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: firefox-78.12.0-1.el7_9.src.rpm
x86_64: firefox-78.12.0-1.el7_9.x86_64.rpm firefox-debuginfo-78.12.0-1.el7_9.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: firefox-78.12.0-1.el7_9.i686.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: firefox-78.12.0-1.el7_9.src.rpm
ppc64: firefox-78.12.0-1.el7_9.ppc64.rpm firefox-debuginfo-78.12.0-1.el7_9.ppc64.rpm
ppc64le: firefox-78.12.0-1.el7_9.ppc64le.rpm firefox-debuginfo-78.12.0-1.el7_9.ppc64le.rpm
s390x: firefox-78.12.0-1.el7_9.s390x.rpm firefox-debuginfo-78.12.0-1.el7_9.s390x.rpm
x86_64: firefox-78.12.0-1.el7_9.x86_64.rpm firefox-debuginfo-78.12.0-1.el7_9.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
x86_64: firefox-78.12.0-1.el7_9.i686.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source: firefox-78.12.0-1.el7_9.src.rpm
x86_64: firefox-78.12.0-1.el7_9.x86_64.rpm firefox-debuginfo-78.12.0-1.el7_9.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64: firefox-78.12.0-1.el7_9.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-2021:2741-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2741
Issue date: 2021-07-15

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 red hat important firefox memory safety use-after-free

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

1970109 - CVE-2021-30547 chromium-browser: Out of bounds write in ANGLE

1982013 - CVE-2021-29970 Mozilla: Use-after-free in accessibility features of a document

1982014 - CVE-2021-29976 Mozilla: Memory safety bugs fixed in Firefox 90 and Firefox ESR 78.12

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here