Security
Headlines
HeadlinesLatestCVEs

Headline

RHSA-2021:0992: Red Hat Security Advisory: firefox security update

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 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

Related CVEs:

  • CVE-2021-4127: Mozilla: Angle graphics library out of date
  • CVE-2021-23981: Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read
  • CVE-2021-23982: Mozilla: Internal network hosts could have been probed by a malicious webpage
  • CVE-2021-23984: Mozilla: Malicious extensions could have spoofed popup information
  • CVE-2021-23987: Mozilla: Memory safety bugs fixed in Firefox 87 and Firefox ESR 78.9
Red Hat Security Data
#vulnerability#web#linux#red_hat#nodejs#js#java#kubernetes#aws#ibm#firefox

Skip to navigation Skip to main content

Utilities

  • Subscriptions
  • Downloads
  • Containers
  • Support Cases

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 Process Automation
  • Red Hat Process Automation Manager
  • Red Hat Decision Manager

All Products

Issued:

2021-03-25

Updated:

2021-03-25

RHSA-2021:0992 - 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 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 78.9.0 ESR.

Security Fix(es):

  • Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read (CVE-2021-23981)
  • Mozilla: Memory safety bugs fixed in Firefox 87 and Firefox ESR 78.9 (CVE-2021-23987)
  • Mozilla: Internal network hosts could have been probed by a malicious webpage (CVE-2021-23982)
  • Mozilla: Malicious extensions could have spoofed popup information (CVE-2021-23984)

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 - 1942783 - CVE-2021-23981 Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read
  • BZ - 1942785 - CVE-2021-23982 Mozilla: Internal network hosts could have been probed by a malicious webpage
  • BZ - 1942786 - CVE-2021-23984 Mozilla: Malicious extensions could have spoofed popup information
  • BZ - 1942787 - CVE-2021-23987 Mozilla: Memory safety bugs fixed in Firefox 87 and Firefox ESR 78.9

CVEs

  • CVE-2021-4127
  • CVE-2021-23981
  • CVE-2021-23982
  • CVE-2021-23984
  • CVE-2021-23987

Red Hat Enterprise Linux Server 7

SRPM

firefox-78.9.0-1.el7_9.src.rpm

SHA-256: d8b886c11e7c40e1f588e3f4ed39010848cdb1aa89b9eebfa54c5435821f3aef

x86_64

firefox-78.9.0-1.el7_9.i686.rpm

SHA-256: baae4611d00934d9db0d190375a9ef31da209123eed5b73d0fadb3786d2fd5d4

firefox-78.9.0-1.el7_9.x86_64.rpm

SHA-256: 25c70dd5afe7477f9f048bb002f21d904277100207dc89d7030a2f3482e0469b

firefox-debuginfo-78.9.0-1.el7_9.x86_64.rpm

SHA-256: 2fa4892f43ef9b7304545f2b73a542aaa35927e678248d096b30f9a76fdce7c9

Red Hat Enterprise Linux Workstation 7

SRPM

firefox-78.9.0-1.el7_9.src.rpm

SHA-256: d8b886c11e7c40e1f588e3f4ed39010848cdb1aa89b9eebfa54c5435821f3aef

x86_64

firefox-78.9.0-1.el7_9.i686.rpm

SHA-256: baae4611d00934d9db0d190375a9ef31da209123eed5b73d0fadb3786d2fd5d4

firefox-78.9.0-1.el7_9.x86_64.rpm

SHA-256: 25c70dd5afe7477f9f048bb002f21d904277100207dc89d7030a2f3482e0469b

firefox-debuginfo-78.9.0-1.el7_9.x86_64.rpm

SHA-256: 2fa4892f43ef9b7304545f2b73a542aaa35927e678248d096b30f9a76fdce7c9

Red Hat Enterprise Linux Desktop 7

SRPM

firefox-78.9.0-1.el7_9.src.rpm

SHA-256: d8b886c11e7c40e1f588e3f4ed39010848cdb1aa89b9eebfa54c5435821f3aef

x86_64

firefox-78.9.0-1.el7_9.i686.rpm

SHA-256: baae4611d00934d9db0d190375a9ef31da209123eed5b73d0fadb3786d2fd5d4

firefox-78.9.0-1.el7_9.x86_64.rpm

SHA-256: 25c70dd5afe7477f9f048bb002f21d904277100207dc89d7030a2f3482e0469b

firefox-debuginfo-78.9.0-1.el7_9.x86_64.rpm

SHA-256: 2fa4892f43ef9b7304545f2b73a542aaa35927e678248d096b30f9a76fdce7c9

Red Hat Enterprise Linux for IBM z Systems 7

SRPM

firefox-78.9.0-1.el7_9.src.rpm

SHA-256: d8b886c11e7c40e1f588e3f4ed39010848cdb1aa89b9eebfa54c5435821f3aef

s390x

firefox-78.9.0-1.el7_9.s390x.rpm

SHA-256: 48e3cefb854158ddd7565e9a4ae498d875af1e8446fc3ec07f019a3df9b9d668

firefox-debuginfo-78.9.0-1.el7_9.s390x.rpm

SHA-256: 259004b417a389e8e2e5af02cca54eb8054d48bd37ad0e0cf496d5aed2866ebd

Red Hat Enterprise Linux for Power, big endian 7

SRPM

firefox-78.9.0-1.el7_9.src.rpm

SHA-256: d8b886c11e7c40e1f588e3f4ed39010848cdb1aa89b9eebfa54c5435821f3aef

ppc64

firefox-78.9.0-1.el7_9.ppc64.rpm

SHA-256: a2b632957b2840bd5af3c7d7dd7f8a97640a24fdda16cf399a2134a9fcc791db

firefox-debuginfo-78.9.0-1.el7_9.ppc64.rpm

SHA-256: 37c0f24a5b0d0719d038330dfb45732fd2a1158151172f89d03784d73efe5089

Red Hat Enterprise Linux for Power, little endian 7

SRPM

firefox-78.9.0-1.el7_9.src.rpm

SHA-256: d8b886c11e7c40e1f588e3f4ed39010848cdb1aa89b9eebfa54c5435821f3aef

ppc64le

firefox-78.9.0-1.el7_9.ppc64le.rpm

SHA-256: 37ef4fec1fa218b532acfd7e13844289d61c440686c23fd7fe60ff641da3f533

firefox-debuginfo-78.9.0-1.el7_9.ppc64le.rpm

SHA-256: 0edf80dcacc02f039d7e37ba3f8bae765f0fdd6c4a3a8171e582e0a78f09654b

The Red Hat security contact is [email protected]. More contact details at https://access.redhat.com/security/team/contact/.

Related news

CVE-2021-4127: Security Vulnerabilities fixed in Firefox ESR 78.9

An out of date graphics library (Angle) likely contained vulnerabilities that could potentially be exploited. This vulnerability affects Thunderbird < 78.9 and Firefox ESR < 78.9.

CVE-2021-4127: Security Vulnerabilities fixed in Firefox ESR 78.9

An out of date graphics library (Angle) likely contained vulnerabilities that could potentially be exploited. This vulnerability affects Thunderbird < 78.9 and Firefox ESR < 78.9.

CVE-2021-4127: Security Vulnerabilities fixed in Firefox ESR 78.9

An out of date graphics library (Angle) likely contained vulnerabilities that could potentially be exploited. This vulnerability affects Thunderbird < 78.9 and Firefox ESR < 78.9.

CVE-2021-4127: Security Vulnerabilities fixed in Firefox ESR 78.9

An out of date graphics library (Angle) likely contained vulnerabilities that could potentially be exploited. This vulnerability affects Thunderbird < 78.9 and Firefox ESR < 78.9.

CVE-2021-4127: Security Vulnerabilities fixed in Firefox ESR 78.9

An out of date graphics library (Angle) likely contained vulnerabilities that could potentially be exploited. This vulnerability affects Thunderbird < 78.9 and Firefox ESR < 78.9.

RHSA-2021:0996: Red Hat Security Advisory: thunderbird security update

An update for thunderbird 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2021-4127: Mozilla: Angle graphics library out of date * CVE-2021-23981: Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read * CVE-2021-23982: Mozilla: Internal network hosts could have been probed by a malicious webpage * CVE-2021-23984: Mozilla: Malicious extensions could have spoofed popup information * CVE-2021-23...

RHSA-2021:0994: Red Hat Security Advisory: thunderbird security update

An update for thunderbird 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 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2021-4127: Mozilla: Angle graphics library out of date * CVE-2021-23981: Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read * CVE-2021-23982: Mozilla: Internal network hosts could have been probed by a malicious webpage * CVE-2021-23984: Mozilla: Malicious extensions could have spoofed popup...

RHSA-2021:0989: Red Hat Security Advisory: firefox security update

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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2021-4127: Mozilla: Angle graphics library out of date * CVE-2021-23981: Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read * CVE-2021-23982: Mozilla: Internal network hosts could have been probed by a malicious webpage * CVE-2021-23984: Mozilla: Malicious extensions could have spoofed popup info...

RHSA-2021:0993: Red Hat Security Advisory: thunderbird security update

An update for thunderbird 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2021-4127: Mozilla: Angle graphics library out of date * CVE-2021-23981: Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read * CVE-2021-23982: Mozilla: Internal network hosts could have been probed by a malicious webpage * CVE-2021-23984: Mozilla: Malicious extensions could have spoofed popup information * CVE-2021-23...

RHSA-2021:0993: Red Hat Security Advisory: thunderbird security update

An update for thunderbird 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2021-4127: Mozilla: Angle graphics library out of date * CVE-2021-23981: Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read * CVE-2021-23982: Mozilla: Internal network hosts could have been probed by a malicious webpage * CVE-2021-23984: Mozilla: Malicious extensions could have spoofed popup information * CVE-2021-23...

RHSA-2021:0993: Red Hat Security Advisory: thunderbird security update

An update for thunderbird 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2021-4127: Mozilla: Angle graphics library out of date * CVE-2021-23981: Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read * CVE-2021-23982: Mozilla: Internal network hosts could have been probed by a malicious webpage * CVE-2021-23984: Mozilla: Malicious extensions could have spoofed popup information * CVE-2021-23...

RHSA-2021:0993: Red Hat Security Advisory: thunderbird security update

An update for thunderbird 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2021-4127: Mozilla: Angle graphics library out of date * CVE-2021-23981: Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read * CVE-2021-23982: Mozilla: Internal network hosts could have been probed by a malicious webpage * CVE-2021-23984: Mozilla: Malicious extensions could have spoofed popup information * CVE-2021-23...

RHSA-2021:0993: Red Hat Security Advisory: thunderbird security update

An update for thunderbird 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2021-4127: Mozilla: Angle graphics library out of date * CVE-2021-23981: Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read * CVE-2021-23982: Mozilla: Internal network hosts could have been probed by a malicious webpage * CVE-2021-23984: Mozilla: Malicious extensions could have spoofed popup information * CVE-2021-23...

RHSA-2021:0995: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 8.1 Extended Update Support. 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2021-4127: Mozilla: Angle graphics library out of date * CVE-2021-23981: Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read * CVE-2021-23982: Mozilla: Internal network hosts could have been probed by a malicious webpage * CVE-2021-23984: Mozilla: Malicious extensions could have spoofed popup...

RHSA-2021:0991: Red Hat Security Advisory: firefox security update

An update for firefox is now available for Red Hat Enterprise Linux 8.1 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2021-4127: Mozilla: Angle graphics library out of date * CVE-2021-23981: Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read * CVE-2021-23982: Mozilla: Internal network hosts could have been probed by a malicious webpage * CVE-2021-23984: Mozilla: Malicious extensions could have spoofed popup info...

RHSA-2021:0990: Red Hat Security Advisory: firefox security update

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 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2021-4127: Mozilla: Angle graphics library out of date * CVE-2021-23981: Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read * CVE-2021-23982: Mozilla: Internal network hosts could have been probed by a malicious webpage * CVE-2021-23984: Mozilla: Malicious extensions could have spoofed popup information * CVE-2021-23987: ...

RHSA-2021:0990: Red Hat Security Advisory: firefox security update

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 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2021-4127: Mozilla: Angle graphics library out of date * CVE-2021-23981: Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read * CVE-2021-23982: Mozilla: Internal network hosts could have been probed by a malicious webpage * CVE-2021-23984: Mozilla: Malicious extensions could have spoofed popup information * CVE-2021-23987: ...

RHSA-2021:0990: Red Hat Security Advisory: firefox security update

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 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2021-4127: Mozilla: Angle graphics library out of date * CVE-2021-23981: Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read * CVE-2021-23982: Mozilla: Internal network hosts could have been probed by a malicious webpage * CVE-2021-23984: Mozilla: Malicious extensions could have spoofed popup information * CVE-2021-23987: ...

RHSA-2021:0990: Red Hat Security Advisory: firefox security update

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 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2021-4127: Mozilla: Angle graphics library out of date * CVE-2021-23981: Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read * CVE-2021-23982: Mozilla: Internal network hosts could have been probed by a malicious webpage * CVE-2021-23984: Mozilla: Malicious extensions could have spoofed popup information * CVE-2021-23987: ...