RHSA-2020:1341CriticalCVSS 8.8

Red Hat Security Advisory: firefox security update

Published
April 7, 2020
Last Modified
November 5, 2026

🔗 CVE IDs covered (2)

CVE-2020-6819 →CVE-2020-6820 →

📋 Description

CVE-2020-6819 — Mozilla: Use-after-free while running the nsDocShell destructor CVE-2020-6820 — Mozilla: Use-after-free when handling a ReadableStream

🎯 Affected products14

  • Red Hat Enterprise Linux AppStream (v. 8)
  • firefox-0:68.6.1-1.el8_1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • firefox-0:68.6.1-1.el8_1.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • firefox-0:68.6.1-1.el8_1.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • firefox-0:68.6.1-1.el8_1.src as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • firefox-0:68.6.1-1.el8_1.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • firefox-debuginfo-0:68.6.1-1.el8_1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • firefox-debuginfo-0:68.6.1-1.el8_1.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • firefox-debuginfo-0:68.6.1-1.el8_1.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • firefox-debuginfo-0:68.6.1-1.el8_1.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • firefox-debugsource-0:68.6.1-1.el8_1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • firefox-debugsource-0:68.6.1-1.el8_1.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • firefox-debugsource-0:68.6.1-1.el8_1.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • firefox-debugsource-0:68.6.1-1.el8_1.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)

✅ 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 After installing the update, Firefox must be restarted for the changes to take effect.

🔗 References (5)