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

Infrastructure and Management

  • Red Hat Enterprise Linux
  • Red Hat Satellite
  • Red Hat Subscription Management
  • Red Hat Insights
  • Red Hat Ansible Automation Platform

Cloud Computing

  • Red Hat OpenShift
  • Red Hat OpenStack Platform
  • Red Hat OpenShift Container Platform
  • Red Hat OpenShift Data Science
  • 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 Quarkus

Integration and Automation

  • Red Hat Application Foundations
  • Red Hat Fuse
  • Red Hat AMQ
  • Red Hat 3scale API Management
All Products
Red Hat Product Errata RHSA-2021:3154 - Security Advisory
Issued:
2021-08-16
Updated:
2021-08-16

RHSA-2021:3154 - 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 7.

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 78.13.0 ESR.

Security Fix(es):

  • Mozilla: Uninitialized memory in a canvas object could have led to memory corruption (CVE-2021-29980)
  • Mozilla: Incorrect instruction reordering during JIT optimization (CVE-2021-29984)
  • Mozilla: Race condition when resolving DNS names could have led to memory corruption (CVE-2021-29986)
  • Mozilla: Memory corruption as a result of incorrect style treatment (CVE-2021-29988)
  • Mozilla: Memory safety bugs fixed in Thunderbird 78.13 (CVE-2021-29989)
  • Mozilla: Use-after-free media channels (CVE-2021-29985)

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 Server 7 x86_64
  • Red Hat Enterprise Linux Workstation 7 x86_64
  • Red Hat Enterprise Linux Desktop 7 x86_64
  • Red Hat Enterprise Linux for IBM z Systems 7 s390x
  • Red Hat Enterprise Linux for Power, big endian 7 ppc64
  • Red Hat Enterprise Linux for Power, little endian 7 ppc64le

Fixes

  • BZ - 1992417 - CVE-2021-29986 Mozilla: Race condition when resolving DNS names could have led to memory corruption
  • BZ - 1992419 - CVE-2021-29988 Mozilla: Memory corruption as a result of incorrect style treatment
  • BZ - 1992420 - CVE-2021-29984 Mozilla: Incorrect instruction reordering during JIT optimization
  • BZ - 1992421 - CVE-2021-29980 Mozilla: Uninitialized memory in a canvas object could have led to memory corruption
  • BZ - 1992422 - CVE-2021-29985 Mozilla: Use-after-free media channels
  • BZ - 1992423 - CVE-2021-29989 Mozilla: Memory safety bugs fixed in Thunderbird 78.13

CVEs

  • CVE-2021-29980
  • CVE-2021-29984
  • CVE-2021-29985
  • CVE-2021-29986
  • CVE-2021-29988
  • CVE-2021-29989

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 Server 7

SRPM
firefox-78.13.0-2.el7_9.src.rpm SHA-256: 61c37af64459852e885f92fe7d4538fea46f3260508d603843b6b14fb453037d
x86_64
firefox-78.13.0-2.el7_9.i686.rpm SHA-256: db593eea45bc7fb7e4e82f49adb6c58ace2d39d44236709dbfbe831d92dd1d7e
firefox-78.13.0-2.el7_9.x86_64.rpm SHA-256: 15ef660b29654cd5341b56af9b1a5d6ce69a72e52ffb1320343b637f20e56195
firefox-debuginfo-78.13.0-2.el7_9.x86_64.rpm SHA-256: 10f07f76806fa174ad0fad42e3e465bf27dd8d162ce479b31ae92220934788d9

Red Hat Enterprise Linux Workstation 7

SRPM
firefox-78.13.0-2.el7_9.src.rpm SHA-256: 61c37af64459852e885f92fe7d4538fea46f3260508d603843b6b14fb453037d
x86_64
firefox-78.13.0-2.el7_9.i686.rpm SHA-256: db593eea45bc7fb7e4e82f49adb6c58ace2d39d44236709dbfbe831d92dd1d7e
firefox-78.13.0-2.el7_9.x86_64.rpm SHA-256: 15ef660b29654cd5341b56af9b1a5d6ce69a72e52ffb1320343b637f20e56195
firefox-debuginfo-78.13.0-2.el7_9.x86_64.rpm SHA-256: 10f07f76806fa174ad0fad42e3e465bf27dd8d162ce479b31ae92220934788d9

Red Hat Enterprise Linux Desktop 7

SRPM
firefox-78.13.0-2.el7_9.src.rpm SHA-256: 61c37af64459852e885f92fe7d4538fea46f3260508d603843b6b14fb453037d
x86_64
firefox-78.13.0-2.el7_9.i686.rpm SHA-256: db593eea45bc7fb7e4e82f49adb6c58ace2d39d44236709dbfbe831d92dd1d7e
firefox-78.13.0-2.el7_9.x86_64.rpm SHA-256: 15ef660b29654cd5341b56af9b1a5d6ce69a72e52ffb1320343b637f20e56195
firefox-debuginfo-78.13.0-2.el7_9.x86_64.rpm SHA-256: 10f07f76806fa174ad0fad42e3e465bf27dd8d162ce479b31ae92220934788d9

Red Hat Enterprise Linux for IBM z Systems 7

SRPM
firefox-78.13.0-2.el7_9.src.rpm SHA-256: 61c37af64459852e885f92fe7d4538fea46f3260508d603843b6b14fb453037d
s390x
firefox-78.13.0-2.el7_9.s390x.rpm SHA-256: 61a73fc0d6be8fdf5b7dcf3dd00e4f23069f3ee4cbedad623941458dec468f03
firefox-debuginfo-78.13.0-2.el7_9.s390x.rpm SHA-256: 96fed3c4825373141af002b35b9e3e95cf2f7ef7f6aea05a89c4ca849b7638a8

Red Hat Enterprise Linux for Power, big endian 7

SRPM
firefox-78.13.0-2.el7_9.src.rpm SHA-256: 61c37af64459852e885f92fe7d4538fea46f3260508d603843b6b14fb453037d
ppc64
firefox-78.13.0-2.el7_9.ppc64.rpm SHA-256: 101923426bb1589ac1b21fe181b0cf2f13b5a6d29d3d49fe20ac012a5859e188
firefox-debuginfo-78.13.0-2.el7_9.ppc64.rpm SHA-256: 8ab6d9fb241b51cde9f949c6f0bb5dd4a86701b5f2f9b4d124e32a4cf3d84402

Red Hat Enterprise Linux for Power, little endian 7

SRPM
firefox-78.13.0-2.el7_9.src.rpm SHA-256: 61c37af64459852e885f92fe7d4538fea46f3260508d603843b6b14fb453037d
ppc64le
firefox-78.13.0-2.el7_9.ppc64le.rpm SHA-256: 06b48e6fe96824834eb61cd71771e222c735c0b2298039e73160162b37b2e593
firefox-debuginfo-78.13.0-2.el7_9.ppc64le.rpm SHA-256: 66ed32de3f42ffa4d983e5bb89a119f24b93af0f7f89278bf05b5058f9e18a33

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
2023
  • Privacy Statement
  • Terms of Use
  • All Policies and Guidelines
We've updated our <a href='http://www.redhat.com/en/about/privacy-policy' class='privacy-policy'>Privacy Statement</a> effective September 15, 2023.
Red Hat Summit Red Hat Summit
Twitter