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====================================================================                   Red Hat Security Advisory

Synopsis:          Critical: firefox security update
Advisory ID:       RHSA-2021:2214-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:2214
Issue date:        2021-06-02
CVE Names:         CVE-2021-29967 
====================================================================
1. Summary:

An update for firefox is now available for Red Hat Enterprise Linux 8.1
Extended Update Support.

Red Hat Product Security has rated this update as having a security impact
of Critical. 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.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AppStream EUS (v. 8.1) - aarch64, ppc64le, s390x, x86_64

3. Description:

Mozilla Firefox is an open-source web browser, designed for standards
compliance, performance, and portability.

This update upgrades Firefox to version 78.11.0 ESR.

Security Fix(es):

* Mozilla: Memory safety bugs fixed in Firefox 89 and Firefox ESR 78.11
(CVE-2021-29967)

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.

4. 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.

5. Bugs fixed (https://bugzilla.redhat.com/):

1966831 - CVE-2021-29967 Mozilla: Memory safety bugs fixed in Firefox 89 and Firefox ESR 78.11

6. Package List:

Red Hat Enterprise Linux AppStream EUS (v. 8.1):

Source:
firefox-78.11.0-3.el8_1.src.rpm

aarch64:
firefox-78.11.0-3.el8_1.aarch64.rpm
firefox-debuginfo-78.11.0-3.el8_1.aarch64.rpm
firefox-debugsource-78.11.0-3.el8_1.aarch64.rpm

ppc64le:
firefox-78.11.0-3.el8_1.ppc64le.rpm
firefox-debuginfo-78.11.0-3.el8_1.ppc64le.rpm
firefox-debugsource-78.11.0-3.el8_1.ppc64le.rpm

s390x:
firefox-78.11.0-3.el8_1.s390x.rpm
firefox-debuginfo-78.11.0-3.el8_1.s390x.rpm
firefox-debugsource-78.11.0-3.el8_1.s390x.rpm

x86_64:
firefox-78.11.0-3.el8_1.x86_64.rpm
firefox-debuginfo-78.11.0-3.el8_1.x86_64.rpm
firefox-debugsource-78.11.0-3.el8_1.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/

7. References:

https://access.redhat.com/security/cve/CVE-2021-29967
https://access.redhat.com/security/updates/classification/#critical

8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.
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RedHat: RHSA-2021-2214:01 Critical: firefox security update

An update for firefox is now available for Red Hat Enterprise Linux 8.1 Extended Update Support

Summary

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.
This update upgrades Firefox to version 78.11.0 ESR.
Security Fix(es):
* Mozilla: Memory safety bugs fixed in Firefox 89 and Firefox ESR 78.11 (CVE-2021-29967)
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.



Summary


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.

References

https://access.redhat.com/security/cve/CVE-2021-29967 https://access.redhat.com/security/updates/classification/#critical

Package List

Red Hat Enterprise Linux AppStream EUS (v. 8.1):
Source: firefox-78.11.0-3.el8_1.src.rpm
aarch64: firefox-78.11.0-3.el8_1.aarch64.rpm firefox-debuginfo-78.11.0-3.el8_1.aarch64.rpm firefox-debugsource-78.11.0-3.el8_1.aarch64.rpm
ppc64le: firefox-78.11.0-3.el8_1.ppc64le.rpm firefox-debuginfo-78.11.0-3.el8_1.ppc64le.rpm firefox-debugsource-78.11.0-3.el8_1.ppc64le.rpm
s390x: firefox-78.11.0-3.el8_1.s390x.rpm firefox-debuginfo-78.11.0-3.el8_1.s390x.rpm firefox-debugsource-78.11.0-3.el8_1.s390x.rpm
x86_64: firefox-78.11.0-3.el8_1.x86_64.rpm firefox-debuginfo-78.11.0-3.el8_1.x86_64.rpm firefox-debugsource-78.11.0-3.el8_1.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
Advisory ID: RHSA-2021:2214-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2214
Issued Date: : 2021-06-02
CVE Names: CVE-2021-29967

Topic

An update for firefox is now available for Red Hat Enterprise Linux 8.1Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Critical. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.


Topic


 

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream EUS (v. 8.1) - aarch64, ppc64le, s390x, x86_64


Bugs Fixed

1966831 - CVE-2021-29967 Mozilla: Memory safety bugs fixed in Firefox 89 and Firefox ESR 78.11


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