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-2022:4870 - Security Advisory
Issued:
2022-06-01
Updated:
2022-06-01

RHSA-2022:4870 - 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 91.10.0 ESR.

Security Fix(es):

  • Mozilla: Cross-Origin resource's length leaked (CVE-2022-31736)
  • Mozilla: Heap buffer overflow in WebGL (CVE-2022-31737)
  • Mozilla: Browser window spoof using fullscreen mode (CVE-2022-31738)
  • Mozilla: Register allocation problem in WASM on arm64 (CVE-2022-31740)
  • Mozilla: Uninitialized variable leads to invalid memory read (CVE-2022-31741)
  • Mozilla: Memory safety bugs fixed in Firefox 101 and Firefox ESR 91.10 (CVE-2022-31747)
  • Mozilla: Querying a WebAuthn token with a large number of allowCredential entries may have leaked cross-origin information (CVE-2022-31742)

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 Server - Extended Life Cycle Support 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
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 7 s390x
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian 7 ppc64
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian 7 ppc64le

Fixes

  • BZ - 2092018 - CVE-2022-31736 Mozilla: Cross-Origin resource's length leaked
  • BZ - 2092019 - CVE-2022-31737 Mozilla: Heap buffer overflow in WebGL
  • BZ - 2092021 - CVE-2022-31738 Mozilla: Browser window spoof using fullscreen mode
  • BZ - 2092023 - CVE-2022-31740 Mozilla: Register allocation problem in WASM on arm64
  • BZ - 2092024 - CVE-2022-31741 Mozilla: Uninitialized variable leads to invalid memory read
  • BZ - 2092025 - CVE-2022-31742 Mozilla: Querying a WebAuthn token with a large number of allowCredential entries may have leaked cross-origin information
  • BZ - 2092026 - CVE-2022-31747 Mozilla: Memory safety bugs fixed in Firefox 101 and Firefox ESR 91.10

CVEs

  • CVE-2022-31736
  • CVE-2022-31737
  • CVE-2022-31738
  • CVE-2022-31740
  • CVE-2022-31741
  • CVE-2022-31742
  • CVE-2022-31747

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-91.10.0-1.el7_9.src.rpm SHA-256: eb660840b7d8d016a406ced8cdc8cae8ec4be565119f59b706b774b44f50a339
x86_64
firefox-91.10.0-1.el7_9.i686.rpm SHA-256: ad205dbcc04629e28b5dd70af4daed88b346ee442f427f6049df7bfcb148834c
firefox-91.10.0-1.el7_9.x86_64.rpm SHA-256: 69e2459a2a39d2db1736f40c660761d9648c1124c89562fabf784e0ba2c4c8b5
firefox-debuginfo-91.10.0-1.el7_9.x86_64.rpm SHA-256: 75afea5e9b8021d176130d4924443b5231a308145df64769a689f4b870961e1e

Red Hat Enterprise Linux Server - Extended Life Cycle Support 7

SRPM
firefox-91.10.0-1.el7_9.src.rpm SHA-256: eb660840b7d8d016a406ced8cdc8cae8ec4be565119f59b706b774b44f50a339
x86_64
firefox-91.10.0-1.el7_9.i686.rpm SHA-256: ad205dbcc04629e28b5dd70af4daed88b346ee442f427f6049df7bfcb148834c
firefox-91.10.0-1.el7_9.x86_64.rpm SHA-256: 69e2459a2a39d2db1736f40c660761d9648c1124c89562fabf784e0ba2c4c8b5
firefox-debuginfo-91.10.0-1.el7_9.x86_64.rpm SHA-256: 75afea5e9b8021d176130d4924443b5231a308145df64769a689f4b870961e1e

Red Hat Enterprise Linux Workstation 7

SRPM
firefox-91.10.0-1.el7_9.src.rpm SHA-256: eb660840b7d8d016a406ced8cdc8cae8ec4be565119f59b706b774b44f50a339
x86_64
firefox-91.10.0-1.el7_9.i686.rpm SHA-256: ad205dbcc04629e28b5dd70af4daed88b346ee442f427f6049df7bfcb148834c
firefox-91.10.0-1.el7_9.x86_64.rpm SHA-256: 69e2459a2a39d2db1736f40c660761d9648c1124c89562fabf784e0ba2c4c8b5
firefox-debuginfo-91.10.0-1.el7_9.x86_64.rpm SHA-256: 75afea5e9b8021d176130d4924443b5231a308145df64769a689f4b870961e1e

Red Hat Enterprise Linux Desktop 7

SRPM
firefox-91.10.0-1.el7_9.src.rpm SHA-256: eb660840b7d8d016a406ced8cdc8cae8ec4be565119f59b706b774b44f50a339
x86_64
firefox-91.10.0-1.el7_9.i686.rpm SHA-256: ad205dbcc04629e28b5dd70af4daed88b346ee442f427f6049df7bfcb148834c
firefox-91.10.0-1.el7_9.x86_64.rpm SHA-256: 69e2459a2a39d2db1736f40c660761d9648c1124c89562fabf784e0ba2c4c8b5
firefox-debuginfo-91.10.0-1.el7_9.x86_64.rpm SHA-256: 75afea5e9b8021d176130d4924443b5231a308145df64769a689f4b870961e1e

Red Hat Enterprise Linux for IBM z Systems 7

SRPM
firefox-91.10.0-1.el7_9.src.rpm SHA-256: eb660840b7d8d016a406ced8cdc8cae8ec4be565119f59b706b774b44f50a339
s390x
firefox-91.10.0-1.el7_9.s390x.rpm SHA-256: 21687d1caa9719c16cecc0639a130f2761aa7dac1a01e9c75258e51f44770c22
firefox-debuginfo-91.10.0-1.el7_9.s390x.rpm SHA-256: 30f359a444498fbc03de825dadc364a854b698bc52468ca1d8cb77bd69eefd76

Red Hat Enterprise Linux for Power, big endian 7

SRPM
firefox-91.10.0-1.el7_9.src.rpm SHA-256: eb660840b7d8d016a406ced8cdc8cae8ec4be565119f59b706b774b44f50a339
ppc64
firefox-91.10.0-1.el7_9.ppc64.rpm SHA-256: 8ec316ac01f234c2f3384bdfbe5183e76b1f68b16d503c8cf57e95ebe3373631
firefox-debuginfo-91.10.0-1.el7_9.ppc64.rpm SHA-256: 4d6ad5364bc7a2fa678b900f14bd229d5c3e614546dc46e4d949593a4a3e00d1

Red Hat Enterprise Linux for Power, little endian 7

SRPM
firefox-91.10.0-1.el7_9.src.rpm SHA-256: eb660840b7d8d016a406ced8cdc8cae8ec4be565119f59b706b774b44f50a339
ppc64le
firefox-91.10.0-1.el7_9.ppc64le.rpm SHA-256: f56d5ff646ca4f016046024fb63e1efa012511ba97aa35e3729c3890827e2946
firefox-debuginfo-91.10.0-1.el7_9.ppc64le.rpm SHA-256: cb94ccc3ae94a51df918b32231c572b78787419181be22aea7d89ea8da05aa7b

Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 7

SRPM
firefox-91.10.0-1.el7_9.src.rpm SHA-256: eb660840b7d8d016a406ced8cdc8cae8ec4be565119f59b706b774b44f50a339
s390x
firefox-91.10.0-1.el7_9.s390x.rpm SHA-256: 21687d1caa9719c16cecc0639a130f2761aa7dac1a01e9c75258e51f44770c22
firefox-debuginfo-91.10.0-1.el7_9.s390x.rpm SHA-256: 30f359a444498fbc03de825dadc364a854b698bc52468ca1d8cb77bd69eefd76

Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian 7

SRPM
firefox-91.10.0-1.el7_9.src.rpm SHA-256: eb660840b7d8d016a406ced8cdc8cae8ec4be565119f59b706b774b44f50a339
ppc64
firefox-91.10.0-1.el7_9.ppc64.rpm SHA-256: 8ec316ac01f234c2f3384bdfbe5183e76b1f68b16d503c8cf57e95ebe3373631
firefox-debuginfo-91.10.0-1.el7_9.ppc64.rpm SHA-256: 4d6ad5364bc7a2fa678b900f14bd229d5c3e614546dc46e4d949593a4a3e00d1

Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian 7

SRPM
firefox-91.10.0-1.el7_9.src.rpm SHA-256: eb660840b7d8d016a406ced8cdc8cae8ec4be565119f59b706b774b44f50a339
ppc64le
firefox-91.10.0-1.el7_9.ppc64le.rpm SHA-256: f56d5ff646ca4f016046024fb63e1efa012511ba97aa35e3729c3890827e2946
firefox-debuginfo-91.10.0-1.el7_9.ppc64le.rpm SHA-256: cb94ccc3ae94a51df918b32231c572b78787419181be22aea7d89ea8da05aa7b

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