Skip to navigation Skip to main content

Utilities

  • Subscriptions
  • Downloads
  • Containers
  • Support Cases
Red Hat Customer Portal
  • Subscriptions
  • Downloads
  • Containers
  • Support Cases
  • Products & Services

    Products

    Support

    • Production Support
    • Development Support
    • Product Life Cycles

    Services

    • Consulting
    • Technical Account Management
    • Training & Certifications

    Documentation

    • Red Hat Enterprise Linux
    • Red Hat JBoss Enterprise Application Platform
    • Red Hat OpenStack Platform
    • Red Hat OpenShift Container Platform
    All Documentation

    Ecosystem Catalog

    • Red Hat Partner Ecosystem
    • Partner Resources
  • Tools

    Tools

    • Troubleshoot a product issue
    • Packages
    • Errata

    Customer Portal Labs

    • Configuration
    • Deployment
    • Security
    • Troubleshoot
    All labs

    Red Hat Insights

    Increase visibility into IT operations to detect and resolve technical issues before they impact your business.

    Learn More
    Go to Insights
  • Security

    Red Hat Product Security Center

    Engage with our Red Hat Product Security team, access security updates, and ensure your environments are not exposed to any known security vulnerabilities.

    Product Security Center

    Security Updates

    • Security Advisories
    • Red Hat CVE Database
    • Security Labs

    Keep your systems secure with Red Hat's specialized responses to security vulnerabilities.

    View Responses

    Resources

    • Security Blog
    • Security Measurement
    • Severity Ratings
    • Backporting Policies
    • Product Signing (GPG) Keys
  • Community

    Customer Portal Community

    • Discussions
    • Private Groups
    Community Activity

    Customer Events

    • Red Hat Convergence
    • Red Hat Summit

    Stories

    • Red Hat Subscription Value
    • You Asked. We Acted.
    • Open Source Communities
Or troubleshoot an issue.

Select Your Language

  • English
  • 한국어
  • 日本語
  • 中文 (中国)

Infrastructure and Management

  • Red Hat Enterprise Linux
  • Red Hat Virtualization
  • Red Hat Identity Management
  • Red Hat Directory Server
  • Red Hat Certificate System
  • Red Hat Satellite
  • Red Hat Subscription Management
  • Red Hat Update Infrastructure
  • Red Hat Insights
  • Red Hat Ansible Automation Platform

Cloud Computing

  • Red Hat OpenShift
  • Red Hat CloudForms
  • Red Hat OpenStack Platform
  • Red Hat OpenShift Container Platform
  • Red Hat OpenShift Data Science
  • Red Hat OpenShift Online
  • Red Hat OpenShift Dedicated
  • Red Hat Advanced Cluster Security for Kubernetes
  • Red Hat Advanced Cluster Management for Kubernetes
  • Red Hat Quay
  • OpenShift Dev Spaces
  • Red Hat OpenShift Service on AWS

Storage

  • Red Hat Gluster Storage
  • Red Hat Hyperconverged Infrastructure
  • Red Hat Ceph Storage
  • Red Hat OpenShift Data Foundation

Runtimes

  • Red Hat Runtimes
  • Red Hat JBoss Enterprise Application Platform
  • Red Hat Data Grid
  • Red Hat JBoss Web Server
  • Red Hat Single Sign On
  • Red Hat support for Spring Boot
  • Red Hat build of Node.js
  • Red Hat build of Thorntail
  • Red Hat build of Eclipse Vert.x
  • Red Hat build of OpenJDK
  • Red Hat build of Quarkus

Integration and Automation

  • Red Hat Integration
  • Red Hat Fuse
  • Red Hat AMQ
  • Red Hat 3scale API Management
  • Red Hat JBoss Data Virtualization
  • Red Hat Process Automation
  • Red Hat Process Automation Manager
  • Red Hat Decision Manager
All Products
Red Hat Product Errata RHSA-2021:3497 - Security Advisory
Issued:
2021-09-13
Updated:
2021-09-13

RHSA-2021:3497 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: firefox security update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for firefox is now available for Red Hat Enterprise Linux 8.

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.

Description

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

This update upgrades Firefox to version 78.14.0 ESR.

Security Fix(es):

  • Mozilla: Memory safety bugs fixed in Firefox 92, Firefox ESR 78.14 and Firefox ESR 91.1 (CVE-2021-38493)

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 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.

Affected Products

  • Red Hat Enterprise Linux for x86_64 8 x86_64
  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.6 x86_64
  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.4 x86_64
  • Red Hat Enterprise Linux Server - AUS 8.6 x86_64
  • Red Hat Enterprise Linux Server - AUS 8.4 x86_64
  • Red Hat Enterprise Linux for IBM z Systems 8 s390x
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.6 s390x
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.4 s390x
  • Red Hat Enterprise Linux for Power, little endian 8 ppc64le
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.6 ppc64le
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.4 ppc64le
  • Red Hat Enterprise Linux Server - TUS 8.6 x86_64
  • Red Hat Enterprise Linux Server - TUS 8.4 x86_64
  • Red Hat Enterprise Linux for ARM 64 8 aarch64
  • Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.6 aarch64
  • Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.4 aarch64
  • Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.6 ppc64le
  • Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.4 ppc64le
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6 x86_64
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.4 x86_64

Fixes

  • BZ - 2002119 - CVE-2021-38493 Mozilla: Memory safety bugs fixed in Firefox 92, Firefox ESR 78.14 and Firefox ESR 91.1

CVEs

  • CVE-2021-38493

References

  • https://access.redhat.com/security/updates/classification/#important
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux for x86_64 8

SRPM
firefox-78.14.0-1.el8_4.src.rpm SHA-256: a562341d50aedfdd7356563ecddd37034608dd18787bf284ba833b5cb0dc2d07
x86_64
firefox-78.14.0-1.el8_4.x86_64.rpm SHA-256: 368c05fce0c0c290ad50cddf6282d86a9bdfe7516de6896c23d59afb20a745cf
firefox-debuginfo-78.14.0-1.el8_4.x86_64.rpm SHA-256: 86c8e49ca9afef304b39dab75ecf3327176c53b0ea3717b784b8baea72106132
firefox-debugsource-78.14.0-1.el8_4.x86_64.rpm SHA-256: d67407058ca3bd76596ddba2a8c81fb52d9c3f2e4cec9fd32ba2f71a6999c26b

Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.6

SRPM
firefox-78.14.0-1.el8_4.src.rpm SHA-256: a562341d50aedfdd7356563ecddd37034608dd18787bf284ba833b5cb0dc2d07
x86_64
firefox-78.14.0-1.el8_4.x86_64.rpm SHA-256: 368c05fce0c0c290ad50cddf6282d86a9bdfe7516de6896c23d59afb20a745cf
firefox-debuginfo-78.14.0-1.el8_4.x86_64.rpm SHA-256: 86c8e49ca9afef304b39dab75ecf3327176c53b0ea3717b784b8baea72106132
firefox-debugsource-78.14.0-1.el8_4.x86_64.rpm SHA-256: d67407058ca3bd76596ddba2a8c81fb52d9c3f2e4cec9fd32ba2f71a6999c26b

Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.4

SRPM
firefox-78.14.0-1.el8_4.src.rpm SHA-256: a562341d50aedfdd7356563ecddd37034608dd18787bf284ba833b5cb0dc2d07
x86_64
firefox-78.14.0-1.el8_4.x86_64.rpm SHA-256: 368c05fce0c0c290ad50cddf6282d86a9bdfe7516de6896c23d59afb20a745cf
firefox-debuginfo-78.14.0-1.el8_4.x86_64.rpm SHA-256: 86c8e49ca9afef304b39dab75ecf3327176c53b0ea3717b784b8baea72106132
firefox-debugsource-78.14.0-1.el8_4.x86_64.rpm SHA-256: d67407058ca3bd76596ddba2a8c81fb52d9c3f2e4cec9fd32ba2f71a6999c26b

Red Hat Enterprise Linux Server - AUS 8.6

SRPM
firefox-78.14.0-1.el8_4.src.rpm SHA-256: a562341d50aedfdd7356563ecddd37034608dd18787bf284ba833b5cb0dc2d07
x86_64
firefox-78.14.0-1.el8_4.x86_64.rpm SHA-256: 368c05fce0c0c290ad50cddf6282d86a9bdfe7516de6896c23d59afb20a745cf
firefox-debuginfo-78.14.0-1.el8_4.x86_64.rpm SHA-256: 86c8e49ca9afef304b39dab75ecf3327176c53b0ea3717b784b8baea72106132
firefox-debugsource-78.14.0-1.el8_4.x86_64.rpm SHA-256: d67407058ca3bd76596ddba2a8c81fb52d9c3f2e4cec9fd32ba2f71a6999c26b

Red Hat Enterprise Linux Server - AUS 8.4

SRPM
firefox-78.14.0-1.el8_4.src.rpm SHA-256: a562341d50aedfdd7356563ecddd37034608dd18787bf284ba833b5cb0dc2d07
x86_64
firefox-78.14.0-1.el8_4.x86_64.rpm SHA-256: 368c05fce0c0c290ad50cddf6282d86a9bdfe7516de6896c23d59afb20a745cf
firefox-debuginfo-78.14.0-1.el8_4.x86_64.rpm SHA-256: 86c8e49ca9afef304b39dab75ecf3327176c53b0ea3717b784b8baea72106132
firefox-debugsource-78.14.0-1.el8_4.x86_64.rpm SHA-256: d67407058ca3bd76596ddba2a8c81fb52d9c3f2e4cec9fd32ba2f71a6999c26b

Red Hat Enterprise Linux for IBM z Systems 8

SRPM
firefox-78.14.0-1.el8_4.src.rpm SHA-256: a562341d50aedfdd7356563ecddd37034608dd18787bf284ba833b5cb0dc2d07
s390x
firefox-78.14.0-1.el8_4.s390x.rpm SHA-256: 5665ded1290ad287f3f3845a6783b47a18008849e801675c74dd3c8d9821710a
firefox-debuginfo-78.14.0-1.el8_4.s390x.rpm SHA-256: c37732b4fd562275c14bd01c064ab845b2d5721de96459ec150d2d0309125446
firefox-debugsource-78.14.0-1.el8_4.s390x.rpm SHA-256: 878dc9ceb0bbd8b52e631ae7bb4149ca56a6570b757e363b6345f40e4cb995a3

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.6

SRPM
firefox-78.14.0-1.el8_4.src.rpm SHA-256: a562341d50aedfdd7356563ecddd37034608dd18787bf284ba833b5cb0dc2d07
s390x
firefox-78.14.0-1.el8_4.s390x.rpm SHA-256: 5665ded1290ad287f3f3845a6783b47a18008849e801675c74dd3c8d9821710a
firefox-debuginfo-78.14.0-1.el8_4.s390x.rpm SHA-256: c37732b4fd562275c14bd01c064ab845b2d5721de96459ec150d2d0309125446
firefox-debugsource-78.14.0-1.el8_4.s390x.rpm SHA-256: 878dc9ceb0bbd8b52e631ae7bb4149ca56a6570b757e363b6345f40e4cb995a3

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.4

SRPM
firefox-78.14.0-1.el8_4.src.rpm SHA-256: a562341d50aedfdd7356563ecddd37034608dd18787bf284ba833b5cb0dc2d07
s390x
firefox-78.14.0-1.el8_4.s390x.rpm SHA-256: 5665ded1290ad287f3f3845a6783b47a18008849e801675c74dd3c8d9821710a
firefox-debuginfo-78.14.0-1.el8_4.s390x.rpm SHA-256: c37732b4fd562275c14bd01c064ab845b2d5721de96459ec150d2d0309125446
firefox-debugsource-78.14.0-1.el8_4.s390x.rpm SHA-256: 878dc9ceb0bbd8b52e631ae7bb4149ca56a6570b757e363b6345f40e4cb995a3

Red Hat Enterprise Linux for Power, little endian 8

SRPM
firefox-78.14.0-1.el8_4.src.rpm SHA-256: a562341d50aedfdd7356563ecddd37034608dd18787bf284ba833b5cb0dc2d07
ppc64le
firefox-78.14.0-1.el8_4.ppc64le.rpm SHA-256: 5fe8d4b5059afd60be15056c290ff471a6a8bd305b17f025e85083a43736f8f4
firefox-debuginfo-78.14.0-1.el8_4.ppc64le.rpm SHA-256: d4ea5063bed3dc71bb7f142a5499fb71ac9fd83e45e0fff68fd82724d89d75ea
firefox-debugsource-78.14.0-1.el8_4.ppc64le.rpm SHA-256: 77566b82a113b677a6810c50d8e57a27b291ab269650b627e88edc0087b7e73b

Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.6

SRPM
firefox-78.14.0-1.el8_4.src.rpm SHA-256: a562341d50aedfdd7356563ecddd37034608dd18787bf284ba833b5cb0dc2d07
ppc64le
firefox-78.14.0-1.el8_4.ppc64le.rpm SHA-256: 5fe8d4b5059afd60be15056c290ff471a6a8bd305b17f025e85083a43736f8f4
firefox-debuginfo-78.14.0-1.el8_4.ppc64le.rpm SHA-256: d4ea5063bed3dc71bb7f142a5499fb71ac9fd83e45e0fff68fd82724d89d75ea
firefox-debugsource-78.14.0-1.el8_4.ppc64le.rpm SHA-256: 77566b82a113b677a6810c50d8e57a27b291ab269650b627e88edc0087b7e73b

Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.4

SRPM
firefox-78.14.0-1.el8_4.src.rpm SHA-256: a562341d50aedfdd7356563ecddd37034608dd18787bf284ba833b5cb0dc2d07
ppc64le
firefox-78.14.0-1.el8_4.ppc64le.rpm SHA-256: 5fe8d4b5059afd60be15056c290ff471a6a8bd305b17f025e85083a43736f8f4
firefox-debuginfo-78.14.0-1.el8_4.ppc64le.rpm SHA-256: d4ea5063bed3dc71bb7f142a5499fb71ac9fd83e45e0fff68fd82724d89d75ea
firefox-debugsource-78.14.0-1.el8_4.ppc64le.rpm SHA-256: 77566b82a113b677a6810c50d8e57a27b291ab269650b627e88edc0087b7e73b

Red Hat Enterprise Linux Server - TUS 8.6

SRPM
firefox-78.14.0-1.el8_4.src.rpm SHA-256: a562341d50aedfdd7356563ecddd37034608dd18787bf284ba833b5cb0dc2d07
x86_64
firefox-78.14.0-1.el8_4.x86_64.rpm SHA-256: 368c05fce0c0c290ad50cddf6282d86a9bdfe7516de6896c23d59afb20a745cf
firefox-debuginfo-78.14.0-1.el8_4.x86_64.rpm SHA-256: 86c8e49ca9afef304b39dab75ecf3327176c53b0ea3717b784b8baea72106132
firefox-debugsource-78.14.0-1.el8_4.x86_64.rpm SHA-256: d67407058ca3bd76596ddba2a8c81fb52d9c3f2e4cec9fd32ba2f71a6999c26b

Red Hat Enterprise Linux Server - TUS 8.4

SRPM
firefox-78.14.0-1.el8_4.src.rpm SHA-256: a562341d50aedfdd7356563ecddd37034608dd18787bf284ba833b5cb0dc2d07
x86_64
firefox-78.14.0-1.el8_4.x86_64.rpm SHA-256: 368c05fce0c0c290ad50cddf6282d86a9bdfe7516de6896c23d59afb20a745cf
firefox-debuginfo-78.14.0-1.el8_4.x86_64.rpm SHA-256: 86c8e49ca9afef304b39dab75ecf3327176c53b0ea3717b784b8baea72106132
firefox-debugsource-78.14.0-1.el8_4.x86_64.rpm SHA-256: d67407058ca3bd76596ddba2a8c81fb52d9c3f2e4cec9fd32ba2f71a6999c26b

Red Hat Enterprise Linux for ARM 64 8

SRPM
firefox-78.14.0-1.el8_4.src.rpm SHA-256: a562341d50aedfdd7356563ecddd37034608dd18787bf284ba833b5cb0dc2d07
aarch64
firefox-78.14.0-1.el8_4.aarch64.rpm SHA-256: 0c1afed88c6ea79a38df0c3437132797d18d42da7b2edaaa2f48159725311cbd
firefox-debuginfo-78.14.0-1.el8_4.aarch64.rpm SHA-256: 249e7d4ad696b2f74f6cb2d9c3888c3ab5abe188831c8d533522ec603caaeafe
firefox-debugsource-78.14.0-1.el8_4.aarch64.rpm SHA-256: 064cfbb8334cc4c6d486a8d611a9873f3718717f981549a0a2cd55ffee521f89

Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.6

SRPM
firefox-78.14.0-1.el8_4.src.rpm SHA-256: a562341d50aedfdd7356563ecddd37034608dd18787bf284ba833b5cb0dc2d07
aarch64
firefox-78.14.0-1.el8_4.aarch64.rpm SHA-256: 0c1afed88c6ea79a38df0c3437132797d18d42da7b2edaaa2f48159725311cbd
firefox-debuginfo-78.14.0-1.el8_4.aarch64.rpm SHA-256: 249e7d4ad696b2f74f6cb2d9c3888c3ab5abe188831c8d533522ec603caaeafe
firefox-debugsource-78.14.0-1.el8_4.aarch64.rpm SHA-256: 064cfbb8334cc4c6d486a8d611a9873f3718717f981549a0a2cd55ffee521f89

Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.4

SRPM
firefox-78.14.0-1.el8_4.src.rpm SHA-256: a562341d50aedfdd7356563ecddd37034608dd18787bf284ba833b5cb0dc2d07
aarch64
firefox-78.14.0-1.el8_4.aarch64.rpm SHA-256: 0c1afed88c6ea79a38df0c3437132797d18d42da7b2edaaa2f48159725311cbd
firefox-debuginfo-78.14.0-1.el8_4.aarch64.rpm SHA-256: 249e7d4ad696b2f74f6cb2d9c3888c3ab5abe188831c8d533522ec603caaeafe
firefox-debugsource-78.14.0-1.el8_4.aarch64.rpm SHA-256: 064cfbb8334cc4c6d486a8d611a9873f3718717f981549a0a2cd55ffee521f89

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.6

SRPM
firefox-78.14.0-1.el8_4.src.rpm SHA-256: a562341d50aedfdd7356563ecddd37034608dd18787bf284ba833b5cb0dc2d07
ppc64le
firefox-78.14.0-1.el8_4.ppc64le.rpm SHA-256: 5fe8d4b5059afd60be15056c290ff471a6a8bd305b17f025e85083a43736f8f4
firefox-debuginfo-78.14.0-1.el8_4.ppc64le.rpm SHA-256: d4ea5063bed3dc71bb7f142a5499fb71ac9fd83e45e0fff68fd82724d89d75ea
firefox-debugsource-78.14.0-1.el8_4.ppc64le.rpm SHA-256: 77566b82a113b677a6810c50d8e57a27b291ab269650b627e88edc0087b7e73b

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.4

SRPM
firefox-78.14.0-1.el8_4.src.rpm SHA-256: a562341d50aedfdd7356563ecddd37034608dd18787bf284ba833b5cb0dc2d07
ppc64le
firefox-78.14.0-1.el8_4.ppc64le.rpm SHA-256: 5fe8d4b5059afd60be15056c290ff471a6a8bd305b17f025e85083a43736f8f4
firefox-debuginfo-78.14.0-1.el8_4.ppc64le.rpm SHA-256: d4ea5063bed3dc71bb7f142a5499fb71ac9fd83e45e0fff68fd82724d89d75ea
firefox-debugsource-78.14.0-1.el8_4.ppc64le.rpm SHA-256: 77566b82a113b677a6810c50d8e57a27b291ab269650b627e88edc0087b7e73b

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6

SRPM
firefox-78.14.0-1.el8_4.src.rpm SHA-256: a562341d50aedfdd7356563ecddd37034608dd18787bf284ba833b5cb0dc2d07
x86_64
firefox-78.14.0-1.el8_4.x86_64.rpm SHA-256: 368c05fce0c0c290ad50cddf6282d86a9bdfe7516de6896c23d59afb20a745cf
firefox-debuginfo-78.14.0-1.el8_4.x86_64.rpm SHA-256: 86c8e49ca9afef304b39dab75ecf3327176c53b0ea3717b784b8baea72106132
firefox-debugsource-78.14.0-1.el8_4.x86_64.rpm SHA-256: d67407058ca3bd76596ddba2a8c81fb52d9c3f2e4cec9fd32ba2f71a6999c26b

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.4

SRPM
firefox-78.14.0-1.el8_4.src.rpm SHA-256: a562341d50aedfdd7356563ecddd37034608dd18787bf284ba833b5cb0dc2d07
x86_64
firefox-78.14.0-1.el8_4.x86_64.rpm SHA-256: 368c05fce0c0c290ad50cddf6282d86a9bdfe7516de6896c23d59afb20a745cf
firefox-debuginfo-78.14.0-1.el8_4.x86_64.rpm SHA-256: 86c8e49ca9afef304b39dab75ecf3327176c53b0ea3717b784b8baea72106132
firefox-debugsource-78.14.0-1.el8_4.x86_64.rpm SHA-256: d67407058ca3bd76596ddba2a8c81fb52d9c3f2e4cec9fd32ba2f71a6999c26b

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

Red Hat

Quick Links

  • Downloads
  • Subscriptions
  • Support Cases
  • Customer Service
  • Product Documentation

Help

  • Contact Us
  • Customer Portal FAQ
  • Log-in Assistance

Site Info

  • Trust Red Hat
  • Browser Support Policy
  • Accessibility
  • Awards and Recognition
  • Colophon

Related Sites

  • redhat.com
  • developers.redhat.com
  • connect.redhat.com
  • cloud.redhat.com

About

  • Red Hat Subscription Value
  • About Red Hat
  • Red Hat Jobs
Copyright © 2023 Red Hat, Inc.
  • Privacy Statement
  • Customer Portal Terms of Use
  • All Policies and Guidelines
Red Hat Summit
Twitter