RHSA-2023:7509HighCVSS 8.8

Red Hat Security Advisory: firefox security update

Published
November 27, 2023
Last Modified
November 5, 2026

🔗 CVE IDs covered (7)

CVE-2023-6206 →CVE-2023-6207 →CVE-2023-6208 →CVE-2023-6209 →CVE-2023-6212 →CVE-2023-6204 →CVE-2023-6205 →

📋 Description

CVE-2023-6204 — Mozilla: Out-of-bound memory access in WebGL2 blitFramebuffer CVE-2023-6205 — Mozilla: Use-after-free in MessagePort::Entangled CVE-2023-6206 — Mozilla: Clickjacking permission prompts using the fullscreen transition CVE-2023-6207 — Mozilla: Use-after-free in ReadableByteStreamQueueEntry::Buffer CVE-2023-6208 — Mozilla: Using Selection API would copy contents into X11 primary selection. CVE-2023-6209 — Mozilla: Incorrect parsing of relative URLs starting with "///" CVE-2023-6212 — Mozilla: Memory safety bugs fixed in Firefox 120, Firefox ESR 115.5, and Thunderbird 115.5

🎯 Affected products27

  • Red Hat Enterprise Linux Client (v. 7)
  • Red Hat Enterprise Linux Client Optional (v. 7)
  • Red Hat Enterprise Linux Server (v. 7)
  • Red Hat Enterprise Linux Server Optional (v. 7)
  • Red Hat Enterprise Linux Workstation (v. 7)
  • Red Hat Enterprise Linux Workstation Optional (v. 7)
  • firefox-0:115.5.0-1.el7_9.i686 as a component of Red Hat Enterprise Linux Client Optional (v. 7)
  • firefox-0:115.5.0-1.el7_9.i686 as a component of Red Hat Enterprise Linux Server Optional (v. 7)
  • firefox-0:115.5.0-1.el7_9.i686 as a component of Red Hat Enterprise Linux Workstation Optional (v. 7)
  • firefox-0:115.5.0-1.el7_9.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)
  • firefox-0:115.5.0-1.el7_9.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)
  • firefox-0:115.5.0-1.el7_9.s390x as a component of Red Hat Enterprise Linux Server (v. 7)
  • firefox-0:115.5.0-1.el7_9.src as a component of Red Hat Enterprise Linux Client (v. 7)
  • firefox-0:115.5.0-1.el7_9.src as a component of Red Hat Enterprise Linux Server (v. 7)
  • firefox-0:115.5.0-1.el7_9.src as a component of Red Hat Enterprise Linux Workstation (v. 7)
  • firefox-0:115.5.0-1.el7_9.x86_64 as a component of Red Hat Enterprise Linux Client (v. 7)
  • firefox-0:115.5.0-1.el7_9.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)
  • firefox-0:115.5.0-1.el7_9.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)
  • firefox-debuginfo-0:115.5.0-1.el7_9.i686 as a component of Red Hat Enterprise Linux Client Optional (v. 7)
  • firefox-debuginfo-0:115.5.0-1.el7_9.i686 as a component of Red Hat Enterprise Linux Server Optional (v. 7)
  • firefox-debuginfo-0:115.5.0-1.el7_9.i686 as a component of Red Hat Enterprise Linux Workstation Optional (v. 7)
  • firefox-debuginfo-0:115.5.0-1.el7_9.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)
  • firefox-debuginfo-0:115.5.0-1.el7_9.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)
  • firefox-debuginfo-0:115.5.0-1.el7_9.s390x as a component of Red Hat Enterprise Linux Server (v. 7)
  • firefox-debuginfo-0:115.5.0-1.el7_9.x86_64 as a component of Red Hat Enterprise Linux Client (v. 7)
  • firefox-debuginfo-0:115.5.0-1.el7_9.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)
  • firefox-debuginfo-0:115.5.0-1.el7_9.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)

✅ 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 (10)