Skip to navigation Skip to main content

Utilities

  • Subscriptions
  • Downloads
  • Red Hat Console
  • Get Support
Red Hat Customer Portal
  • Subscriptions
  • Downloads
  • Red Hat Console
  • Get Support
  • Products

    Top Products

    • Red Hat Enterprise Linux
    • Red Hat OpenShift
    • Red Hat Ansible Automation Platform
    All Products

    Downloads and Containers

    • Downloads
    • Packages
    • Containers

    Top Resources

    • Documentation
    • Product Life Cycles
    • Product Compliance
    • Errata
  • Knowledge

    Red Hat Knowledge Center

    • Knowledgebase Solutions
    • Knowledgebase Articles
    • Customer Portal Labs
    • Errata

    Top Product Docs

    • Red Hat Enterprise Linux
    • Red Hat OpenShift
    • Red Hat Ansible Automation Platform
    All Product Docs

    Training and Certification

    • About
    • Course Index
    • Certification Index
    • Skill Assessment
  • Security

    Red Hat Product Security Center

    • Security Updates
    • Security Advisories
    • Red Hat CVE Database
    • Errata

    References

    • Security Bulletins
    • Security Measurement
    • Severity Ratings
    • Security Data

    Top Resources

    • Security Labs
    • Backporting Policies
    • Security Blog
  • Support

    Red Hat Support

    • Support Cases
    • Troubleshoot
    • Get Support
    • Contact Red Hat Support

    Red Hat Community Support

    • Customer Portal Community
    • Community Discussions
    • Red Hat Accelerator Program

    Top Resources

    • Product Life Cycles
    • Customer Portal Labs
    • Red Hat JBoss Supported Configurations
    • Red Hat Insights
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
  • Red Hat OpenShift AI
  • Red Hat OpenShift Dedicated
  • Red Hat Advanced Cluster Security for Kubernetes
  • Red Hat Advanced Cluster Management for Kubernetes
  • Red Hat Quay
  • Red Hat 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 build of Keycloak
  • 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-2022:4768 - Security Advisory
Issued:
2022-05-27
Updated:
2022-05-27

RHSA-2022:4768 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Critical: firefox security update

Type/Severity

Security Advisory: Critical

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 8.2 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.

Description

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

This update upgrades Firefox to version 91.9.1 ESR.

Security Fix(es):

  • Mozilla: Untrusted input used in JavaScript object indexing, leading to prototype pollution (CVE-2022-1529)
  • Mozilla: Prototype pollution in Top-Level Await implementation (CVE-2022-1802)

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 - Extended Update Support 8.2 x86_64
  • Red Hat Enterprise Linux Server - AUS 8.2 x86_64
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.2 s390x
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.2 ppc64le
  • Red Hat Enterprise Linux Server - TUS 8.2 x86_64
  • Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.2 aarch64
  • Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.2 ppc64le
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.2 x86_64

Fixes

  • BZ - 2089217 - CVE-2022-1802 Mozilla: Prototype pollution in Top-Level Await implementation
  • BZ - 2089218 - CVE-2022-1529 Mozilla: Untrusted input used in JavaScript object indexing, leading to prototype pollution

CVEs

  • CVE-2022-1529
  • CVE-2022-1802

References

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

Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.2

SRPM
firefox-91.9.1-1.el8_2.src.rpm SHA-256: 4b83de6053dd2590090acf60f21734aa37ff4073d7dfbfc55149374e96a0dc6d
x86_64
firefox-91.9.1-1.el8_2.x86_64.rpm SHA-256: 45d26994df29e26331618bc17acf42710d643e51c969fd169de75bef7ba6fcb9
firefox-debuginfo-91.9.1-1.el8_2.x86_64.rpm SHA-256: a8a29e242840ba8ead3b2de5fb1c984f424b57c53507950ac1dc0e4c1ca16e6b
firefox-debugsource-91.9.1-1.el8_2.x86_64.rpm SHA-256: 86f52261d89a30f1f610b0f2a6bc27b7e27c4cb9d871cf973eb344a0926b3d2b

Red Hat Enterprise Linux Server - AUS 8.2

SRPM
firefox-91.9.1-1.el8_2.src.rpm SHA-256: 4b83de6053dd2590090acf60f21734aa37ff4073d7dfbfc55149374e96a0dc6d
x86_64
firefox-91.9.1-1.el8_2.x86_64.rpm SHA-256: 45d26994df29e26331618bc17acf42710d643e51c969fd169de75bef7ba6fcb9
firefox-debuginfo-91.9.1-1.el8_2.x86_64.rpm SHA-256: a8a29e242840ba8ead3b2de5fb1c984f424b57c53507950ac1dc0e4c1ca16e6b
firefox-debugsource-91.9.1-1.el8_2.x86_64.rpm SHA-256: 86f52261d89a30f1f610b0f2a6bc27b7e27c4cb9d871cf973eb344a0926b3d2b

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.2

SRPM
firefox-91.9.1-1.el8_2.src.rpm SHA-256: 4b83de6053dd2590090acf60f21734aa37ff4073d7dfbfc55149374e96a0dc6d
s390x
firefox-91.9.1-1.el8_2.s390x.rpm SHA-256: af5ab2f497e2a8816b9c267fac5e862da389a098d9eb0ecaddb5db071d66039f
firefox-debuginfo-91.9.1-1.el8_2.s390x.rpm SHA-256: 13271cd2fc9fd38cd2d66a91ea8ee2960613fb6855c38a48be34e89de3c648f0
firefox-debugsource-91.9.1-1.el8_2.s390x.rpm SHA-256: 649361cc2b6e005e8f6eab0335e2dc6847d5e33a8a9633ff96371858e9434692

Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.2

SRPM
firefox-91.9.1-1.el8_2.src.rpm SHA-256: 4b83de6053dd2590090acf60f21734aa37ff4073d7dfbfc55149374e96a0dc6d
ppc64le
firefox-91.9.1-1.el8_2.ppc64le.rpm SHA-256: 286698dd752a81d1c78cf219156fd11d7cc1ab3100878bc72073cad259a78764
firefox-debuginfo-91.9.1-1.el8_2.ppc64le.rpm SHA-256: 067d2cf2193823b68f015e7676fa906a655f46a1666dece6fc8c0a310513c249
firefox-debugsource-91.9.1-1.el8_2.ppc64le.rpm SHA-256: da6b69b2cfee65e0a8c6d52e2d6e7efb0163bfb3f9052d854996dde51c4b0f7a

Red Hat Enterprise Linux Server - TUS 8.2

SRPM
firefox-91.9.1-1.el8_2.src.rpm SHA-256: 4b83de6053dd2590090acf60f21734aa37ff4073d7dfbfc55149374e96a0dc6d
x86_64
firefox-91.9.1-1.el8_2.x86_64.rpm SHA-256: 45d26994df29e26331618bc17acf42710d643e51c969fd169de75bef7ba6fcb9
firefox-debuginfo-91.9.1-1.el8_2.x86_64.rpm SHA-256: a8a29e242840ba8ead3b2de5fb1c984f424b57c53507950ac1dc0e4c1ca16e6b
firefox-debugsource-91.9.1-1.el8_2.x86_64.rpm SHA-256: 86f52261d89a30f1f610b0f2a6bc27b7e27c4cb9d871cf973eb344a0926b3d2b

Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.2

SRPM
firefox-91.9.1-1.el8_2.src.rpm SHA-256: 4b83de6053dd2590090acf60f21734aa37ff4073d7dfbfc55149374e96a0dc6d
aarch64
firefox-91.9.1-1.el8_2.aarch64.rpm SHA-256: 6b83d130546014f57b9b002decd1bdc73cabf332601400b15f3c51366277621f
firefox-debuginfo-91.9.1-1.el8_2.aarch64.rpm SHA-256: 71a4c388be19a2880975415543b9b12b955bc7443f8a749ba47b421e13d3bb9f
firefox-debugsource-91.9.1-1.el8_2.aarch64.rpm SHA-256: 3f8acb31abc48070f6b98069e2e930640d07b4ee79fc28ab103538140b4de0dd

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.2

SRPM
firefox-91.9.1-1.el8_2.src.rpm SHA-256: 4b83de6053dd2590090acf60f21734aa37ff4073d7dfbfc55149374e96a0dc6d
ppc64le
firefox-91.9.1-1.el8_2.ppc64le.rpm SHA-256: 286698dd752a81d1c78cf219156fd11d7cc1ab3100878bc72073cad259a78764
firefox-debuginfo-91.9.1-1.el8_2.ppc64le.rpm SHA-256: 067d2cf2193823b68f015e7676fa906a655f46a1666dece6fc8c0a310513c249
firefox-debugsource-91.9.1-1.el8_2.ppc64le.rpm SHA-256: da6b69b2cfee65e0a8c6d52e2d6e7efb0163bfb3f9052d854996dde51c4b0f7a

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.2

SRPM
firefox-91.9.1-1.el8_2.src.rpm SHA-256: 4b83de6053dd2590090acf60f21734aa37ff4073d7dfbfc55149374e96a0dc6d
x86_64
firefox-91.9.1-1.el8_2.x86_64.rpm SHA-256: 45d26994df29e26331618bc17acf42710d643e51c969fd169de75bef7ba6fcb9
firefox-debuginfo-91.9.1-1.el8_2.x86_64.rpm SHA-256: a8a29e242840ba8ead3b2de5fb1c984f424b57c53507950ac1dc0e4c1ca16e6b
firefox-debugsource-91.9.1-1.el8_2.x86_64.rpm SHA-256: 86f52261d89a30f1f610b0f2a6bc27b7e27c4cb9d871cf973eb344a0926b3d2b

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

Red Hat LinkedIn YouTube Facebook X, formerly Twitter

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

Red Hat legal and privacy links

  • About Red Hat
  • Jobs
  • Events
  • Locations
  • Contact Red Hat
  • Red Hat Blog
  • Inclusion at Red Hat
  • Cool Stuff Store
  • Red Hat Summit
© 2025 Red Hat

Red Hat legal and privacy links

  • Privacy statement
  • Terms of use
  • All policies and guidelines
  • Digital accessibility