RHSA-2020:0574HighCVSS 8.8

Red Hat Security Advisory: thunderbird security update

Published
February 24, 2020
Last Modified
November 5, 2026

🔗 CVE IDs covered (6)

CVE-2020-6800 →CVE-2020-6792 →CVE-2020-6793 →CVE-2020-6794 →CVE-2020-6795 →CVE-2020-6798 →

📋 Description

CVE-2020-6792 — Mozilla: Message ID calculation was based on uninitialized data CVE-2020-6793 — Mozilla: Out-of-bounds read when processing certain email messages CVE-2020-6794 — Mozilla: Setting a master password post-Thunderbird 52 does not delete unencrypted previously stored passwords CVE-2020-6795 — Mozilla: Crash processing S/MIME messages with multiple signatures CVE-2020-6798 — Mozilla: Incorrect parsing of template tag could result in JavaScript injection CVE-2020-6800 — Mozilla: Memory safety bugs fixed in Firefox 73 and Firefox ESR 68.5

🎯 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-0:68.5.0-1.el6_10.i686 as a component of Red Hat Enterprise Linux Desktop (v. 6)
  • thunderbird-0:68.5.0-1.el6_10.i686 as a component of Red Hat Enterprise Linux Server Optional (v. 6)
  • thunderbird-0:68.5.0-1.el6_10.i686 as a component of Red Hat Enterprise Linux Workstation (v. 6)
  • thunderbird-0:68.5.0-1.el6_10.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 6)
  • thunderbird-0:68.5.0-1.el6_10.s390x as a component of Red Hat Enterprise Linux Server Optional (v. 6)
  • thunderbird-0:68.5.0-1.el6_10.src as a component of Red Hat Enterprise Linux Desktop (v. 6)
  • thunderbird-0:68.5.0-1.el6_10.src as a component of Red Hat Enterprise Linux Server Optional (v. 6)
  • thunderbird-0:68.5.0-1.el6_10.src as a component of Red Hat Enterprise Linux Workstation (v. 6)
  • thunderbird-0:68.5.0-1.el6_10.x86_64 as a component of Red Hat Enterprise Linux Desktop (v. 6)
  • thunderbird-0:68.5.0-1.el6_10.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 6)
  • thunderbird-0:68.5.0-1.el6_10.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 6)
  • thunderbird-debuginfo-0:68.5.0-1.el6_10.i686 as a component of Red Hat Enterprise Linux Desktop (v. 6)
  • thunderbird-debuginfo-0:68.5.0-1.el6_10.i686 as a component of Red Hat Enterprise Linux Server Optional (v. 6)
  • thunderbird-debuginfo-0:68.5.0-1.el6_10.i686 as a component of Red Hat Enterprise Linux Workstation (v. 6)
  • thunderbird-debuginfo-0:68.5.0-1.el6_10.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 6)
  • thunderbird-debuginfo-0:68.5.0-1.el6_10.s390x as a component of Red Hat Enterprise Linux Server Optional (v. 6)
  • thunderbird-debuginfo-0:68.5.0-1.el6_10.x86_64 as a component of Red Hat Enterprise Linux Desktop (v. 6)
  • thunderbird-debuginfo-0:68.5.0-1.el6_10.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 6)
  • thunderbird-debuginfo-0:68.5.0-1.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 (10)