RedHat: RHSA-2021-3756:01 Important: firefox security update

Advisories

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

Synopsis:          Important: firefox security update
Advisory ID:       RHSA-2021:3756-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:3756
Issue date:        2021-10-11
CVE Names:         CVE-2021-32810 CVE-2021-38496 CVE-2021-38497 
                   CVE-2021-38498 CVE-2021-38500 CVE-2021-38501 
=====================================================================

1. Summary:

An update for firefox is now available for Red Hat Enterprise Linux 8.2
Extended Update Support.

Red Hat Product Security has rated this update as having a security impact
of Important. 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. 8.2) - 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 91.2.0 ESR.

Security Fix(es):

* Mozilla: Use-after-free in MessageTask (CVE-2021-38496)

* Mozilla: Memory safety bugs fixed in Firefox 93, Firefox ESR 78.15, and
Firefox ESR 91.2 (CVE-2021-38500)

* Mozilla: Memory safety bugs fixed in Firefox 93 and Firefox ESR 91.2
(CVE-2021-38501)

* rust-crossbeam-deque: race condition may lead to double free
(CVE-2021-32810)

* Mozilla: Validation message could have been overlaid on another origin
(CVE-2021-38497)

* Mozilla: Use-after-free of nsLanguageAtomService object (CVE-2021-38498)

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/):

1990342 - CVE-2021-32810 rust-crossbeam-deque: race condition may lead to double free
2011097 - CVE-2021-38496 Mozilla: Use-after-free in MessageTask
2011098 - CVE-2021-38497 Mozilla: Validation message could have been overlaid on another origin
2011099 - CVE-2021-38498 Mozilla: Use-after-free of nsLanguageAtomService object
2011100 - CVE-2021-38500 Mozilla: Memory safety bugs fixed in Firefox 93, Firefox ESR 78.15, and Firefox ESR 91.2
2011101 - CVE-2021-38501 Mozilla: Memory safety bugs fixed in Firefox 93 and Firefox ESR 91.2

6. Package List:

Red Hat Enterprise Linux AppStream EUS (v. 8.2):

Source:
firefox-91.2.0-4.el8_2.src.rpm

aarch64:
firefox-91.2.0-4.el8_2.aarch64.rpm
firefox-debuginfo-91.2.0-4.el8_2.aarch64.rpm
firefox-debugsource-91.2.0-4.el8_2.aarch64.rpm

ppc64le:
firefox-91.2.0-4.el8_2.ppc64le.rpm
firefox-debuginfo-91.2.0-4.el8_2.ppc64le.rpm
firefox-debugsource-91.2.0-4.el8_2.ppc64le.rpm

s390x:
firefox-91.2.0-4.el8_2.s390x.rpm
firefox-debuginfo-91.2.0-4.el8_2.s390x.rpm
firefox-debugsource-91.2.0-4.el8_2.s390x.rpm

x86_64:
firefox-91.2.0-4.el8_2.x86_64.rpm
firefox-debuginfo-91.2.0-4.el8_2.x86_64.rpm
firefox-debugsource-91.2.0-4.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/

7. References:

https://access.redhat.com/security/cve/CVE-2021-32810
https://access.redhat.com/security/cve/CVE-2021-38496
https://access.redhat.com/security/cve/CVE-2021-38497
https://access.redhat.com/security/cve/CVE-2021-38498
https://access.redhat.com/security/cve/CVE-2021-38500
https://access.redhat.com/security/cve/CVE-2021-38501
https://access.redhat.com/security/updates/classification/#important

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-2021-3756:01 Important: firefox security update

An update for firefox is now available for Red Hat Enterprise Linux 8.2 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 91.2.0 ESR.
Security Fix(es):
* Mozilla: Use-after-free in MessageTask (CVE-2021-38496)
* Mozilla: Memory safety bugs fixed in Firefox 93, Firefox ESR 78.15, and Firefox ESR 91.2 (CVE-2021-38500)
* Mozilla: Memory safety bugs fixed in Firefox 93 and Firefox ESR 91.2 (CVE-2021-38501)
* rust-crossbeam-deque: race condition may lead to double free (CVE-2021-32810)
* Mozilla: Validation message could have been overlaid on another origin (CVE-2021-38497)
* Mozilla: Use-after-free of nsLanguageAtomService object (CVE-2021-38498)
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.

Solution

For details on how to apply this update, which includes the changesdescribed in this advisory, refer to:https://access.redhat.com/articles/11258After installing the update, Firefox must be restarted for the changes totake effect.

References

https://access.redhat.com/security/cve/CVE-2021-32810 https://access.redhat.com/security/cve/CVE-2021-38496 https://access.redhat.com/security/cve/CVE-2021-38497 https://access.redhat.com/security/cve/CVE-2021-38498 https://access.redhat.com/security/cve/CVE-2021-38500 https://access.redhat.com/security/cve/CVE-2021-38501 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux AppStream EUS (v. 8.2):
Source: firefox-91.2.0-4.el8_2.src.rpm
aarch64: firefox-91.2.0-4.el8_2.aarch64.rpm firefox-debuginfo-91.2.0-4.el8_2.aarch64.rpm firefox-debugsource-91.2.0-4.el8_2.aarch64.rpm
ppc64le: firefox-91.2.0-4.el8_2.ppc64le.rpm firefox-debuginfo-91.2.0-4.el8_2.ppc64le.rpm firefox-debugsource-91.2.0-4.el8_2.ppc64le.rpm
s390x: firefox-91.2.0-4.el8_2.s390x.rpm firefox-debuginfo-91.2.0-4.el8_2.s390x.rpm firefox-debugsource-91.2.0-4.el8_2.s390x.rpm
x86_64: firefox-91.2.0-4.el8_2.x86_64.rpm firefox-debuginfo-91.2.0-4.el8_2.x86_64.rpm firefox-debugsource-91.2.0-4.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
Advisory ID: RHSA-2021:3756-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:3756
Issued Date: : 2021-10-11
CVE Names: CVE-2021-32810 CVE-2021-38496 CVE-2021-38497 CVE-2021-38498 CVE-2021-38500 CVE-2021-38501

Topic

An update for firefox is now available for Red Hat Enterprise Linux 8.2Extended Update Support.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.

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream EUS (v. 8.2) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

1990342 - CVE-2021-32810 rust-crossbeam-deque: race condition may lead to double free

2011097 - CVE-2021-38496 Mozilla: Use-after-free in MessageTask

2011098 - CVE-2021-38497 Mozilla: Validation message could have been overlaid on another origin

2011099 - CVE-2021-38498 Mozilla: Use-after-free of nsLanguageAtomService object

2011100 - CVE-2021-38500 Mozilla: Memory safety bugs fixed in Firefox 93, Firefox ESR 78.15, and Firefox ESR 91.2

2011101 - CVE-2021-38501 Mozilla: Memory safety bugs fixed in Firefox 93 and Firefox ESR 91.2

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