RHSA-2026:85245HighCVSS 7.8

Red Hat Security Advisory: emacs security update

Published
October 19, 2026
Last Modified
October 19, 2026

🔗 CVE IDs covered (1)

CVE-2026-96442 →

📋 Description

CVE-2026-96442 — emacs: Emacs: arbitrary code execution in Flymake mode

🎯 Affected products39

  • Red Hat Enterprise Linux AppStream (v. 9)
  • emacs-1:27.2-18.el9_8.3.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • emacs-1:27.2-18.el9_8.3.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • emacs-1:27.2-18.el9_8.3.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • emacs-1:27.2-18.el9_8.3.src as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • emacs-1:27.2-18.el9_8.3.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • emacs-common-1:27.2-18.el9_8.3.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • emacs-common-1:27.2-18.el9_8.3.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • emacs-common-1:27.2-18.el9_8.3.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • emacs-common-1:27.2-18.el9_8.3.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • emacs-common-debuginfo-1:27.2-18.el9_8.3.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • emacs-common-debuginfo-1:27.2-18.el9_8.3.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • emacs-common-debuginfo-1:27.2-18.el9_8.3.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • emacs-common-debuginfo-1:27.2-18.el9_8.3.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • emacs-debuginfo-1:27.2-18.el9_8.3.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • emacs-debuginfo-1:27.2-18.el9_8.3.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • emacs-debuginfo-1:27.2-18.el9_8.3.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • emacs-debuginfo-1:27.2-18.el9_8.3.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • emacs-debugsource-1:27.2-18.el9_8.3.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • emacs-debugsource-1:27.2-18.el9_8.3.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • emacs-debugsource-1:27.2-18.el9_8.3.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • emacs-debugsource-1:27.2-18.el9_8.3.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • emacs-filesystem-1:27.2-18.el9_8.3.noarch as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • emacs-lucid-1:27.2-18.el9_8.3.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • emacs-lucid-1:27.2-18.el9_8.3.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • emacs-lucid-1:27.2-18.el9_8.3.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • emacs-lucid-1:27.2-18.el9_8.3.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • emacs-lucid-debuginfo-1:27.2-18.el9_8.3.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • emacs-lucid-debuginfo-1:27.2-18.el9_8.3.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • emacs-lucid-debuginfo-1:27.2-18.el9_8.3.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • +9 more not shown

✅ 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 Workaround: To mitigate this issue, users should avoid opening or editing untrusted text files with Emacs. Exercise caution when handling files from unknown or suspicious sources, as interacting with them can lead to arbitrary code execution.

🔗 References (4)