RHSA-2020:4317HighCVSS 9.8

Red Hat Security Advisory: firefox security update

Published
October 22, 2020
Last Modified
November 12, 2026

🔗 CVE IDs covered (2)

CVE-2020-15683 →CVE-2020-15969 →

📋 Description

CVE-2020-15683 — Mozilla: Memory safety bugs fixed in Firefox 82 and Firefox ESR 78.4 CVE-2020-15969 — chromium-browser: Use after free in WebRTC

🎯 Affected products14

  • Red Hat Enterprise Linux AppStream (v. 8)
  • firefox-0:78.4.0-1.el8_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • firefox-0:78.4.0-1.el8_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • firefox-0:78.4.0-1.el8_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • firefox-0:78.4.0-1.el8_2.src as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • firefox-0:78.4.0-1.el8_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • firefox-debuginfo-0:78.4.0-1.el8_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • firefox-debuginfo-0:78.4.0-1.el8_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • firefox-debuginfo-0:78.4.0-1.el8_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • firefox-debuginfo-0:78.4.0-1.el8_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • firefox-debugsource-0:78.4.0-1.el8_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • firefox-debugsource-0:78.4.0-1.el8_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • firefox-debugsource-0:78.4.0-1.el8_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • firefox-debugsource-0:78.4.0-1.el8_2.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)