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-2018:3006 - Security Advisory
Issued:
2018-10-24
Updated:
2018-10-24

RHSA-2018:3006 - 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 6.

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 60.3.0 ESR.

Security Fix(es):

  • Mozilla: Memory safety bugs fixed in Firefox 63 and Firefox ESR 60.3 (CVE-2018-12390)
  • Mozilla: Crash with nested event loops (CVE-2018-12392)
  • Mozilla: Integer overflow during Unicode conversion while loading JavaScript (CVE-2018-12393)
  • Mozilla: WebExtension bypass of domain restrictions through header rewriting (CVE-2018-12395)
  • Mozilla: WebExtension content scripts can execute in disallowed contexts (CVE-2018-12396)
  • Mozilla: WebExtension local file permission check bypass (CVE-2018-12397)
  • Mozilla: Memory safety bugs fixed in Firefox ESR 60.3 (CVE-2018-12389)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank the Mozilla project for reporting these issues. Upstream acknowledges Christian Holler, Bob Owen, Boris Zbarsky, Calixte Denizet, Jason Kratzer, Jed Davis, Taegeon Lee, Philipp, Ronald Crane, Raul Gurzau, Gary Kwong, Tyson Smith, Raymond Forbes, Bogdan Tara, Nils, r, Rob Wu, Andrew Swan, and Daniel Veditz as the original reporters.

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 6 x86_64
  • Red Hat Enterprise Linux Server 6 i386
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 x86_64
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 i386
  • Red Hat Enterprise Linux Workstation 6 x86_64
  • Red Hat Enterprise Linux Workstation 6 i386
  • Red Hat Enterprise Linux Desktop 6 x86_64
  • Red Hat Enterprise Linux Desktop 6 i386
  • Red Hat Enterprise Linux for IBM z Systems 6 s390x
  • Red Hat Enterprise Linux for Power, big endian 6 ppc64
  • Red Hat Enterprise Linux for Scientific Computing 6 x86_64
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 6 s390x
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension 6 x86_64
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension 6 i386
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension (for IBM z Systems) 6 s390x

Fixes

  • BZ - 1642179 - CVE-2018-12389 Mozilla: Memory safety bugs fixed in Firefox ESR 60.3
  • BZ - 1642180 - CVE-2018-12390 Mozilla: Memory safety bugs fixed in Firefox 63 and Firefox ESR 60.3
  • BZ - 1642182 - CVE-2018-12392 Mozilla: Crash with nested event loops
  • BZ - 1642183 - CVE-2018-12393 Mozilla: Integer overflow during Unicode conversion while loading JavaScript
  • BZ - 1642185 - CVE-2018-12395 Mozilla: WebExtension bypass of domain restrictions through header rewriting
  • BZ - 1642186 - CVE-2018-12396 Mozilla: WebExtension content scripts can execute in disallowed contexts
  • BZ - 1642187 - CVE-2018-12397 Mozilla: WebExtension local file permission check bypass

CVEs

  • CVE-2018-12389
  • CVE-2018-12390
  • CVE-2018-12392
  • CVE-2018-12393
  • CVE-2018-12395
  • CVE-2018-12396
  • CVE-2018-12397

References

  • https://access.redhat.com/security/updates/classification/#critical
  • https://www.mozilla.org/en-US/security/advisories/mfsa2018-27/
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux Server 6

SRPM
firefox-60.3.0-1.el6.src.rpm SHA-256: 37966af815cefb12639456662690685166bf03f9c3969a92b1a8dc34836e2187
x86_64
firefox-60.3.0-1.el6.i686.rpm SHA-256: 3e579da3ca58b36262230f3b2c72739befea797520d15f39f51e0958f95783e3
firefox-60.3.0-1.el6.i686.rpm SHA-256: 3e579da3ca58b36262230f3b2c72739befea797520d15f39f51e0958f95783e3
firefox-60.3.0-1.el6.x86_64.rpm SHA-256: 975f8ce938adbd776898f1e1133c0541d08d1e8f799022981357f93ca312c584
firefox-60.3.0-1.el6.x86_64.rpm SHA-256: 975f8ce938adbd776898f1e1133c0541d08d1e8f799022981357f93ca312c584
firefox-debuginfo-60.3.0-1.el6.i686.rpm SHA-256: c7409af0b29ed372bfcc410b996d7840112da759f8d8e8cfbb3478104eb41cdd
firefox-debuginfo-60.3.0-1.el6.x86_64.rpm SHA-256: f107260930b047a6b458ab14a00ea960d40fa5d1ea77c4e5caa4055fa98f00b0
firefox-debuginfo-60.3.0-1.el6.x86_64.rpm SHA-256: f107260930b047a6b458ab14a00ea960d40fa5d1ea77c4e5caa4055fa98f00b0
i386
firefox-60.3.0-1.el6.i686.rpm SHA-256: 3e579da3ca58b36262230f3b2c72739befea797520d15f39f51e0958f95783e3
firefox-debuginfo-60.3.0-1.el6.i686.rpm SHA-256: c7409af0b29ed372bfcc410b996d7840112da759f8d8e8cfbb3478104eb41cdd

Red Hat Enterprise Linux Server - Extended Life Cycle Support 6

SRPM
firefox-60.3.0-1.el6.src.rpm SHA-256: 37966af815cefb12639456662690685166bf03f9c3969a92b1a8dc34836e2187
x86_64
firefox-60.3.0-1.el6.i686.rpm SHA-256: 3e579da3ca58b36262230f3b2c72739befea797520d15f39f51e0958f95783e3
firefox-60.3.0-1.el6.x86_64.rpm SHA-256: 975f8ce938adbd776898f1e1133c0541d08d1e8f799022981357f93ca312c584
firefox-debuginfo-60.3.0-1.el6.i686.rpm SHA-256: c7409af0b29ed372bfcc410b996d7840112da759f8d8e8cfbb3478104eb41cdd
firefox-debuginfo-60.3.0-1.el6.x86_64.rpm SHA-256: f107260930b047a6b458ab14a00ea960d40fa5d1ea77c4e5caa4055fa98f00b0
i386
firefox-60.3.0-1.el6.i686.rpm SHA-256: 3e579da3ca58b36262230f3b2c72739befea797520d15f39f51e0958f95783e3
firefox-debuginfo-60.3.0-1.el6.i686.rpm SHA-256: c7409af0b29ed372bfcc410b996d7840112da759f8d8e8cfbb3478104eb41cdd

Red Hat Enterprise Linux Workstation 6

SRPM
firefox-60.3.0-1.el6.src.rpm SHA-256: 37966af815cefb12639456662690685166bf03f9c3969a92b1a8dc34836e2187
x86_64
firefox-60.3.0-1.el6.i686.rpm SHA-256: 3e579da3ca58b36262230f3b2c72739befea797520d15f39f51e0958f95783e3
firefox-60.3.0-1.el6.x86_64.rpm SHA-256: 975f8ce938adbd776898f1e1133c0541d08d1e8f799022981357f93ca312c584
firefox-debuginfo-60.3.0-1.el6.i686.rpm SHA-256: c7409af0b29ed372bfcc410b996d7840112da759f8d8e8cfbb3478104eb41cdd
firefox-debuginfo-60.3.0-1.el6.x86_64.rpm SHA-256: f107260930b047a6b458ab14a00ea960d40fa5d1ea77c4e5caa4055fa98f00b0
i386
firefox-60.3.0-1.el6.i686.rpm SHA-256: 3e579da3ca58b36262230f3b2c72739befea797520d15f39f51e0958f95783e3
firefox-debuginfo-60.3.0-1.el6.i686.rpm SHA-256: c7409af0b29ed372bfcc410b996d7840112da759f8d8e8cfbb3478104eb41cdd

Red Hat Enterprise Linux Desktop 6

SRPM
firefox-60.3.0-1.el6.src.rpm SHA-256: 37966af815cefb12639456662690685166bf03f9c3969a92b1a8dc34836e2187
x86_64
firefox-60.3.0-1.el6.i686.rpm SHA-256: 3e579da3ca58b36262230f3b2c72739befea797520d15f39f51e0958f95783e3
firefox-60.3.0-1.el6.x86_64.rpm SHA-256: 975f8ce938adbd776898f1e1133c0541d08d1e8f799022981357f93ca312c584
firefox-debuginfo-60.3.0-1.el6.i686.rpm SHA-256: c7409af0b29ed372bfcc410b996d7840112da759f8d8e8cfbb3478104eb41cdd
firefox-debuginfo-60.3.0-1.el6.x86_64.rpm SHA-256: f107260930b047a6b458ab14a00ea960d40fa5d1ea77c4e5caa4055fa98f00b0
i386
firefox-60.3.0-1.el6.i686.rpm SHA-256: 3e579da3ca58b36262230f3b2c72739befea797520d15f39f51e0958f95783e3
firefox-debuginfo-60.3.0-1.el6.i686.rpm SHA-256: c7409af0b29ed372bfcc410b996d7840112da759f8d8e8cfbb3478104eb41cdd

Red Hat Enterprise Linux for IBM z Systems 6

SRPM
firefox-60.3.0-1.el6.src.rpm SHA-256: 37966af815cefb12639456662690685166bf03f9c3969a92b1a8dc34836e2187
s390x
firefox-60.3.0-1.el6.s390x.rpm SHA-256: 29159441c60e09de9da3ebc3cd56d61f45c93a5422f030abfc274a7ea2f942d9
firefox-debuginfo-60.3.0-1.el6.s390x.rpm SHA-256: b6771ca207ed1beec7507799fcba26c3bc82f2cfab1a99665dd2a28297370dc7

Red Hat Enterprise Linux for Power, big endian 6

SRPM
firefox-60.3.0-1.el6.src.rpm SHA-256: 37966af815cefb12639456662690685166bf03f9c3969a92b1a8dc34836e2187
ppc64
firefox-60.3.0-1.el6.ppc64.rpm SHA-256: 777764e11a5ab5002727cb55a2ca98f26116a104e8912b17f65ff23a21663555
firefox-debuginfo-60.3.0-1.el6.ppc64.rpm SHA-256: 2232dddbc7bed99ff54bfafa0d61fdc33404c916b1a4de7cc56ac6623ca1c9d1

Red Hat Enterprise Linux for Scientific Computing 6

SRPM
firefox-60.3.0-1.el6.src.rpm SHA-256: 37966af815cefb12639456662690685166bf03f9c3969a92b1a8dc34836e2187
x86_64
firefox-60.3.0-1.el6.i686.rpm SHA-256: 3e579da3ca58b36262230f3b2c72739befea797520d15f39f51e0958f95783e3
firefox-60.3.0-1.el6.x86_64.rpm SHA-256: 975f8ce938adbd776898f1e1133c0541d08d1e8f799022981357f93ca312c584
firefox-debuginfo-60.3.0-1.el6.i686.rpm SHA-256: c7409af0b29ed372bfcc410b996d7840112da759f8d8e8cfbb3478104eb41cdd
firefox-debuginfo-60.3.0-1.el6.x86_64.rpm SHA-256: f107260930b047a6b458ab14a00ea960d40fa5d1ea77c4e5caa4055fa98f00b0

Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 6

SRPM
firefox-60.3.0-1.el6.src.rpm SHA-256: 37966af815cefb12639456662690685166bf03f9c3969a92b1a8dc34836e2187
s390x
firefox-60.3.0-1.el6.s390x.rpm SHA-256: 29159441c60e09de9da3ebc3cd56d61f45c93a5422f030abfc274a7ea2f942d9
firefox-debuginfo-60.3.0-1.el6.s390x.rpm SHA-256: b6771ca207ed1beec7507799fcba26c3bc82f2cfab1a99665dd2a28297370dc7

Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension 6

SRPM
firefox-60.3.0-1.el6.src.rpm SHA-256: 37966af815cefb12639456662690685166bf03f9c3969a92b1a8dc34836e2187
x86_64
firefox-60.3.0-1.el6.i686.rpm SHA-256: 3e579da3ca58b36262230f3b2c72739befea797520d15f39f51e0958f95783e3
firefox-60.3.0-1.el6.x86_64.rpm SHA-256: 975f8ce938adbd776898f1e1133c0541d08d1e8f799022981357f93ca312c584
firefox-debuginfo-60.3.0-1.el6.i686.rpm SHA-256: c7409af0b29ed372bfcc410b996d7840112da759f8d8e8cfbb3478104eb41cdd
firefox-debuginfo-60.3.0-1.el6.x86_64.rpm SHA-256: f107260930b047a6b458ab14a00ea960d40fa5d1ea77c4e5caa4055fa98f00b0
i386
firefox-60.3.0-1.el6.i686.rpm SHA-256: 3e579da3ca58b36262230f3b2c72739befea797520d15f39f51e0958f95783e3
firefox-debuginfo-60.3.0-1.el6.i686.rpm SHA-256: c7409af0b29ed372bfcc410b996d7840112da759f8d8e8cfbb3478104eb41cdd

Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension (for IBM z Systems) 6

SRPM
firefox-60.3.0-1.el6.src.rpm SHA-256: 37966af815cefb12639456662690685166bf03f9c3969a92b1a8dc34836e2187
s390x
firefox-60.3.0-1.el6.s390x.rpm SHA-256: 29159441c60e09de9da3ebc3cd56d61f45c93a5422f030abfc274a7ea2f942d9
firefox-debuginfo-60.3.0-1.el6.s390x.rpm SHA-256: b6771ca207ed1beec7507799fcba26c3bc82f2cfab1a99665dd2a28297370dc7

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, Inc.

Red Hat legal and privacy links

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