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-2022:0816 - Security Advisory
Issued:
2022-03-10
Updated:
2022-03-10

RHSA-2022:0816 - 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 91.7.0 ESR.

Security Fix(es):

  • Mozilla: Use-after-free in XSLT parameter processing (CVE-2022-26485)
  • Mozilla: Use-after-free in WebGPU IPC Framework (CVE-2022-26486)
  • expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution (CVE-2022-25235)
  • expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution (CVE-2022-25236)
  • expat: Integer overflow in storeRawNames() (CVE-2022-25315)
  • Mozilla: Use-after-free in text reflows (CVE-2022-26381)
  • Mozilla: Browser window spoof using fullscreen mode (CVE-2022-26383)
  • Mozilla: iframe allow-scripts sandbox bypass (CVE-2022-26384)
  • Mozilla: Time-of-check time-of-use bug when verifying add-on signatures (CVE-2022-26387)
  • Mozilla: Temporary files downloaded to /tmp and accessible by other local users (CVE-2022-26386)

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 - 2056363 - CVE-2022-25315 expat: Integer overflow in storeRawNames()
  • BZ - 2056366 - CVE-2022-25235 expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution
  • BZ - 2056370 - CVE-2022-25236 expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution
  • BZ - 2061735 - CVE-2022-26486 Mozilla: Use-after-free in WebGPU IPC Framework
  • BZ - 2061736 - CVE-2022-26485 Mozilla: Use-after-free in XSLT parameter processing
  • BZ - 2062220 - CVE-2022-26383 Mozilla: Browser window spoof using fullscreen mode
  • BZ - 2062221 - CVE-2022-26384 Mozilla: iframe allow-scripts sandbox bypass
  • BZ - 2062222 - CVE-2022-26387 Mozilla: Time-of-check time-of-use bug when verifying add-on signatures
  • BZ - 2062223 - CVE-2022-26381 Mozilla: Use-after-free in text reflows
  • BZ - 2062224 - CVE-2022-26386 Mozilla: Temporary files downloaded to /tmp and accessible by other local users

CVEs

  • CVE-2022-25235
  • CVE-2022-25236
  • CVE-2022-25315
  • CVE-2022-26381
  • CVE-2022-26383
  • CVE-2022-26384
  • CVE-2022-26386
  • CVE-2022-26387
  • CVE-2022-26485
  • CVE-2022-26486

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-91.7.0-3.el8_2.src.rpm SHA-256: 001717d7f4325c5baa0cb8bc00f8e185221f957acce2c565e13c9be50f1bd6fa
x86_64
firefox-91.7.0-3.el8_2.x86_64.rpm SHA-256: 8846f24aaf9dbb689ef4aa402509a064e56f4ed35770f5893bea45685bd060e8
firefox-debuginfo-91.7.0-3.el8_2.x86_64.rpm SHA-256: 6c8a2f2df91be7edbe9f12d8bd665fcd3e4e0bc626b7c277de8a261c90cdf072
firefox-debugsource-91.7.0-3.el8_2.x86_64.rpm SHA-256: ded37cd701a5bb4ee7db506f604ef1dab00838aa5b12b3030f1eba04d8b178ed

Red Hat Enterprise Linux Server - AUS 8.2

SRPM
firefox-91.7.0-3.el8_2.src.rpm SHA-256: 001717d7f4325c5baa0cb8bc00f8e185221f957acce2c565e13c9be50f1bd6fa
x86_64
firefox-91.7.0-3.el8_2.x86_64.rpm SHA-256: 8846f24aaf9dbb689ef4aa402509a064e56f4ed35770f5893bea45685bd060e8
firefox-debuginfo-91.7.0-3.el8_2.x86_64.rpm SHA-256: 6c8a2f2df91be7edbe9f12d8bd665fcd3e4e0bc626b7c277de8a261c90cdf072
firefox-debugsource-91.7.0-3.el8_2.x86_64.rpm SHA-256: ded37cd701a5bb4ee7db506f604ef1dab00838aa5b12b3030f1eba04d8b178ed

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

SRPM
firefox-91.7.0-3.el8_2.src.rpm SHA-256: 001717d7f4325c5baa0cb8bc00f8e185221f957acce2c565e13c9be50f1bd6fa
s390x
firefox-91.7.0-3.el8_2.s390x.rpm SHA-256: ac37b95734b223e1eddbf3ba7aa4e07ad84ebf0097fe0a696e66402d59819743
firefox-debuginfo-91.7.0-3.el8_2.s390x.rpm SHA-256: 014a1aedc198f106fc1165fb6a44d38e5884cd3088bdcb033be44aa0ea270e1f
firefox-debugsource-91.7.0-3.el8_2.s390x.rpm SHA-256: 2fb828a8fca4efd58ac1f2b1311ce8b9f4278ec7fa190b4d720434715f427145

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

SRPM
firefox-91.7.0-3.el8_2.src.rpm SHA-256: 001717d7f4325c5baa0cb8bc00f8e185221f957acce2c565e13c9be50f1bd6fa
ppc64le
firefox-91.7.0-3.el8_2.ppc64le.rpm SHA-256: ebd0cf37f15e9ae3ff551b8ebb182074f40b9dddffe166ab72008e7ba2f2ae5f
firefox-debuginfo-91.7.0-3.el8_2.ppc64le.rpm SHA-256: 3be48a5c22a6f34be4662e3299213f34eacb88c96b9738cb0cd0490baab1fd9e
firefox-debugsource-91.7.0-3.el8_2.ppc64le.rpm SHA-256: 669172d18c584dbb59ff725c8cd3f93d105ba8b5bd3c4c52aa8afa2192615c69

Red Hat Enterprise Linux Server - TUS 8.2

SRPM
firefox-91.7.0-3.el8_2.src.rpm SHA-256: 001717d7f4325c5baa0cb8bc00f8e185221f957acce2c565e13c9be50f1bd6fa
x86_64
firefox-91.7.0-3.el8_2.x86_64.rpm SHA-256: 8846f24aaf9dbb689ef4aa402509a064e56f4ed35770f5893bea45685bd060e8
firefox-debuginfo-91.7.0-3.el8_2.x86_64.rpm SHA-256: 6c8a2f2df91be7edbe9f12d8bd665fcd3e4e0bc626b7c277de8a261c90cdf072
firefox-debugsource-91.7.0-3.el8_2.x86_64.rpm SHA-256: ded37cd701a5bb4ee7db506f604ef1dab00838aa5b12b3030f1eba04d8b178ed

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

SRPM
firefox-91.7.0-3.el8_2.src.rpm SHA-256: 001717d7f4325c5baa0cb8bc00f8e185221f957acce2c565e13c9be50f1bd6fa
aarch64
firefox-91.7.0-3.el8_2.aarch64.rpm SHA-256: 1218e9a687cf05d99e51171974c09307000cae9761f8b6595f26003121e0a54b
firefox-debuginfo-91.7.0-3.el8_2.aarch64.rpm SHA-256: 8f8c6d480f4ee9ae5212f554587e4403e19d094c2a0091346966ee5b942daff3
firefox-debugsource-91.7.0-3.el8_2.aarch64.rpm SHA-256: 00d83ccb294c4347937ddbdf456d3afd36864f8ebb9ac3aa6176c0a0c580a5ff

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

SRPM
firefox-91.7.0-3.el8_2.src.rpm SHA-256: 001717d7f4325c5baa0cb8bc00f8e185221f957acce2c565e13c9be50f1bd6fa
ppc64le
firefox-91.7.0-3.el8_2.ppc64le.rpm SHA-256: ebd0cf37f15e9ae3ff551b8ebb182074f40b9dddffe166ab72008e7ba2f2ae5f
firefox-debuginfo-91.7.0-3.el8_2.ppc64le.rpm SHA-256: 3be48a5c22a6f34be4662e3299213f34eacb88c96b9738cb0cd0490baab1fd9e
firefox-debugsource-91.7.0-3.el8_2.ppc64le.rpm SHA-256: 669172d18c584dbb59ff725c8cd3f93d105ba8b5bd3c4c52aa8afa2192615c69

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

SRPM
firefox-91.7.0-3.el8_2.src.rpm SHA-256: 001717d7f4325c5baa0cb8bc00f8e185221f957acce2c565e13c9be50f1bd6fa
x86_64
firefox-91.7.0-3.el8_2.x86_64.rpm SHA-256: 8846f24aaf9dbb689ef4aa402509a064e56f4ed35770f5893bea45685bd060e8
firefox-debuginfo-91.7.0-3.el8_2.x86_64.rpm SHA-256: 6c8a2f2df91be7edbe9f12d8bd665fcd3e4e0bc626b7c277de8a261c90cdf072
firefox-debugsource-91.7.0-3.el8_2.x86_64.rpm SHA-256: ded37cd701a5bb4ee7db506f604ef1dab00838aa5b12b3030f1eba04d8b178ed

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