RHSA-2020:3345HighCVSS 8.8

Red Hat Security Advisory: thunderbird security update

Published
August 6, 2020
Last Modified
November 5, 2026

🔗 CVE IDs covered (4)

📋 Description

CVE-2020-6463 — chromium-browser: Use after free in ANGLE CVE-2020-6514 — chromium-browser: Inappropriate implementation in WebRTC CVE-2020-15652 — Mozilla: Potential leak of redirect targets when loading scripts in a worker CVE-2020-15659 — Mozilla: Memory safety bugs fixed in Firefox 79 and Firefox ESR 68.11

🎯 Affected products22

  • Red Hat Enterprise Linux Desktop (v. 6)
  • Red Hat Enterprise Linux Server Optional (v. 6)
  • Red Hat Enterprise Linux Workstation (v. 6)
  • thunderbird-0:68.11.0-1.el6_10.i686 as a component of Red Hat Enterprise Linux Desktop (v. 6)
  • thunderbird-0:68.11.0-1.el6_10.i686 as a component of Red Hat Enterprise Linux Server Optional (v. 6)
  • thunderbird-0:68.11.0-1.el6_10.i686 as a component of Red Hat Enterprise Linux Workstation (v. 6)
  • thunderbird-0:68.11.0-1.el6_10.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 6)
  • thunderbird-0:68.11.0-1.el6_10.s390x as a component of Red Hat Enterprise Linux Server Optional (v. 6)
  • thunderbird-0:68.11.0-1.el6_10.src as a component of Red Hat Enterprise Linux Desktop (v. 6)
  • thunderbird-0:68.11.0-1.el6_10.src as a component of Red Hat Enterprise Linux Server Optional (v. 6)
  • thunderbird-0:68.11.0-1.el6_10.src as a component of Red Hat Enterprise Linux Workstation (v. 6)
  • thunderbird-0:68.11.0-1.el6_10.x86_64 as a component of Red Hat Enterprise Linux Desktop (v. 6)
  • thunderbird-0:68.11.0-1.el6_10.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 6)
  • thunderbird-0:68.11.0-1.el6_10.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 6)
  • thunderbird-debuginfo-0:68.11.0-1.el6_10.i686 as a component of Red Hat Enterprise Linux Desktop (v. 6)
  • thunderbird-debuginfo-0:68.11.0-1.el6_10.i686 as a component of Red Hat Enterprise Linux Server Optional (v. 6)
  • thunderbird-debuginfo-0:68.11.0-1.el6_10.i686 as a component of Red Hat Enterprise Linux Workstation (v. 6)
  • thunderbird-debuginfo-0:68.11.0-1.el6_10.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 6)
  • thunderbird-debuginfo-0:68.11.0-1.el6_10.s390x as a component of Red Hat Enterprise Linux Server Optional (v. 6)
  • thunderbird-debuginfo-0:68.11.0-1.el6_10.x86_64 as a component of Red Hat Enterprise Linux Desktop (v. 6)
  • thunderbird-debuginfo-0:68.11.0-1.el6_10.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 6)
  • thunderbird-debuginfo-0:68.11.0-1.el6_10.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 6)

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

🔗 References (7)