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Red Hat Product Errata RHSA-2020:5314 - Security Advisory
Issued:
2020-12-01
Updated:
2020-12-01

RHSA-2020:5314 - 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 8.0 Update Services for SAP Solutions.

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 78.5.0 ESR.

Security Fix(es):

  • Mozilla: Parsing mismatches could confuse and bypass security sanitizer for chrome privileged code (CVE-2020-26951)
  • Mozilla: Memory safety bugs fixed in Firefox 83 and Firefox ESR 78.5 (CVE-2020-26968)
  • Mozilla: Variable time processing of cross-origin images during drawImage calls (CVE-2020-16012)
  • Mozilla: Fullscreen could be enabled without displaying the security UI (CVE-2020-26953)
  • Mozilla: XSS through paste (manual and clipboard API) (CVE-2020-26956)
  • Mozilla: Requests intercepted through ServiceWorkers lacked MIME type restrictions (CVE-2020-26958)
  • Mozilla: Use-after-free in WebRequestService (CVE-2020-26959)
  • Mozilla: Potential use-after-free in uses of nsTArray (CVE-2020-26960)
  • Mozilla: DoH did not filter IPv4 mapped IP Addresses (CVE-2020-26961)
  • Mozilla: Software keyboards may have remembered typed passwords (CVE-2020-26965)

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 for Power LE - Update Services for SAP Solutions 8.0 ppc64le
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.0 x86_64

Fixes

  • BZ - 1898731 - CVE-2020-26951 Mozilla: Parsing mismatches could confuse and bypass security sanitizer for chrome privileged code
  • BZ - 1898732 - CVE-2020-16012 Mozilla: Variable time processing of cross-origin images during drawImage calls
  • BZ - 1898733 - CVE-2020-26953 Mozilla: Fullscreen could be enabled without displaying the security UI
  • BZ - 1898734 - CVE-2020-26956 Mozilla: XSS through paste (manual and clipboard API)
  • BZ - 1898735 - CVE-2020-26958 Mozilla: Requests intercepted through ServiceWorkers lacked MIME type restrictions
  • BZ - 1898736 - CVE-2020-26959 Mozilla: Use-after-free in WebRequestService
  • BZ - 1898737 - CVE-2020-26960 Mozilla: Potential use-after-free in uses of nsTArray
  • BZ - 1898738 - CVE-2020-26961 Mozilla: DoH did not filter IPv4 mapped IP Addresses
  • BZ - 1898739 - CVE-2020-26965 Mozilla: Software keyboards may have remembered typed passwords
  • BZ - 1898741 - CVE-2020-26968 Mozilla: Memory safety bugs fixed in Firefox 83 and Firefox ESR 78.5

CVEs

  • CVE-2020-16012
  • CVE-2020-26951
  • CVE-2020-26953
  • CVE-2020-26956
  • CVE-2020-26958
  • CVE-2020-26959
  • CVE-2020-26960
  • CVE-2020-26961
  • CVE-2020-26965
  • CVE-2020-26968

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 for Power LE - Update Services for SAP Solutions 8.0

SRPM
firefox-78.5.0-1.el8_0.src.rpm SHA-256: 3545f9ac4ef45b7415b44b4568028a5c9ecd605489cdb32b6be8e28b349a9b66
ppc64le
firefox-78.5.0-1.el8_0.ppc64le.rpm SHA-256: 242f9c6bd3efbdedf4dd3a3b9f602ac249d9e55a1a716bf452ebe5d48e9bee3c
firefox-debuginfo-78.5.0-1.el8_0.ppc64le.rpm SHA-256: 38f620a3d3bb52dcadc9959f8597125c75ed4c0e07f281367c001f6c87beb894
firefox-debugsource-78.5.0-1.el8_0.ppc64le.rpm SHA-256: 833f616f1a52cbb6dc2c1a6d31b62d3184badbc8a4056a48f6ccb24afcff3f5f

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.0

SRPM
firefox-78.5.0-1.el8_0.src.rpm SHA-256: 3545f9ac4ef45b7415b44b4568028a5c9ecd605489cdb32b6be8e28b349a9b66
x86_64
firefox-78.5.0-1.el8_0.x86_64.rpm SHA-256: d98561a0a772a9e6f6745a6b9678d11e668629f0c0285fa406ca6173c58e7ccd
firefox-debuginfo-78.5.0-1.el8_0.x86_64.rpm SHA-256: 0828434c551ece23e528cc59a0943a052a70fdac0a8f381b5510ef960225a022
firefox-debugsource-78.5.0-1.el8_0.x86_64.rpm SHA-256: d64ea2ca9b53fca70233e87b9c99b32103eee8ae107c2b1d0a56c78596e03d14

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

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