RHSA-2026:99160: Important: emacs security update

Published Nov 11, 2026
·
Updated

GNU Emacs is a powerful, customizable, self-documenting text editor. It provides special code editing features, a scripting language (elisp), and the capability to read e-mail and news.Security Fix(es): emacs: Emacs: arbitrary code execution in Flymake mode (CVE-2026-96442) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Affected Software

37 affected componentsFixes available
redhat/emacs<27.2-18.el9_9.1
27.2-18.el9_9.1
redhat/emacs<27.2-18.el9_9.1
27.2-18.el9_9.1
redhat/emacs-common<27.2-18.el9_9.1
27.2-18.el9_9.1
redhat/emacs-common-debuginfo<27.2-18.el9_9.1
27.2-18.el9_9.1
redhat/emacs-debuginfo<27.2-18.el9_9.1
27.2-18.el9_9.1
redhat/emacs-debugsource<27.2-18.el9_9.1
27.2-18.el9_9.1
redhat/emacs-filesystem<27.2-18.el9_9.1
27.2-18.el9_9.1
redhat/emacs-lucid<27.2-18.el9_9.1
27.2-18.el9_9.1
redhat/emacs-lucid-debuginfo<27.2-18.el9_9.1
27.2-18.el9_9.1
redhat/emacs-nox<27.2-18.el9_9.1
27.2-18.el9_9.1
redhat/emacs-nox-debuginfo<27.2-18.el9_9.1
27.2-18.el9_9.1
redhat/emacs-common<27.2-18.el9_9.1
27.2-18.el9_9.1
redhat/emacs-common-debuginfo<27.2-18.el9_9.1
27.2-18.el9_9.1
redhat/emacs-debuginfo<27.2-18.el9_9.1
27.2-18.el9_9.1
redhat/emacs-debugsource<27.2-18.el9_9.1
27.2-18.el9_9.1
redhat/emacs-lucid<27.2-18.el9_9.1
27.2-18.el9_9.1
redhat/emacs-lucid-debuginfo<27.2-18.el9_9.1
27.2-18.el9_9.1
redhat/emacs-nox<27.2-18.el9_9.1
27.2-18.el9_9.1
redhat/emacs-nox-debuginfo<27.2-18.el9_9.1
27.2-18.el9_9.1
redhat/emacs<27.2-18.el9_9.1
27.2-18.el9_9.1
redhat/emacs-common<27.2-18.el9_9.1
27.2-18.el9_9.1
redhat/emacs-common-debuginfo<27.2-18.el9_9.1
27.2-18.el9_9.1
redhat/emacs-debuginfo<27.2-18.el9_9.1
27.2-18.el9_9.1
redhat/emacs-debugsource<27.2-18.el9_9.1
27.2-18.el9_9.1
redhat/emacs-lucid<27.2-18.el9_9.1
27.2-18.el9_9.1
redhat/emacs-lucid-debuginfo<27.2-18.el9_9.1
27.2-18.el9_9.1
redhat/emacs-nox<27.2-18.el9_9.1
27.2-18.el9_9.1
redhat/emacs-nox-debuginfo<27.2-18.el9_9.1
27.2-18.el9_9.1
redhat/emacs<27.2-18.el9_9.1.aa
27.2-18.el9_9.1.aa
redhat/emacs-common<27.2-18.el9_9.1.aa
27.2-18.el9_9.1.aa
redhat/emacs-common-debuginfo<27.2-18.el9_9.1.aa
27.2-18.el9_9.1.aa
redhat/emacs-debuginfo<27.2-18.el9_9.1.aa
27.2-18.el9_9.1.aa
redhat/emacs-debugsource<27.2-18.el9_9.1.aa
27.2-18.el9_9.1.aa
redhat/emacs-lucid<27.2-18.el9_9.1.aa
27.2-18.el9_9.1.aa
redhat/emacs-lucid-debuginfo<27.2-18.el9_9.1.aa
27.2-18.el9_9.1.aa
redhat/emacs-nox<27.2-18.el9_9.1.aa
27.2-18.el9_9.1.aa
redhat/emacs-nox-debuginfo<27.2-18.el9_9.1.aa
27.2-18.el9_9.1.aa

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/emacs to a version that resolves this vulnerability.

    Fixed in 27.2-18.el9_9.1
  2. Upgrade

    Upgrade redhat/emacs-common to a version that resolves this vulnerability.

    Fixed in 27.2-18.el9_9.1
  3. Upgrade

    Upgrade redhat/emacs-common-debuginfo to a version that resolves this vulnerability.

    Fixed in 27.2-18.el9_9.1
  4. Upgrade

    Upgrade redhat/emacs-debuginfo to a version that resolves this vulnerability.

    Fixed in 27.2-18.el9_9.1
  5. Upgrade

    Upgrade redhat/emacs-debugsource to a version that resolves this vulnerability.

    Fixed in 27.2-18.el9_9.1
  6. Upgrade

    Upgrade redhat/emacs-filesystem to a version that resolves this vulnerability.

    Fixed in 27.2-18.el9_9.1
  7. Upgrade

    Upgrade redhat/emacs-lucid to a version that resolves this vulnerability.

    Fixed in 27.2-18.el9_9.1
  8. Upgrade

    Upgrade redhat/emacs-lucid-debuginfo to a version that resolves this vulnerability.

    Fixed in 27.2-18.el9_9.1
  9. Upgrade

    Upgrade redhat/emacs-nox to a version that resolves this vulnerability.

    Fixed in 27.2-18.el9_9.1
  10. Upgrade

    Upgrade redhat/emacs-nox-debuginfo to a version that resolves this vulnerability.

    Fixed in 27.2-18.el9_9.1
  11. Upgrade

    Upgrade redhat/emacs to a version that resolves this vulnerability.

    Fixed in 27.2-18.el9_9.1.aa
  12. Upgrade

    Upgrade redhat/emacs-common to a version that resolves this vulnerability.

    Fixed in 27.2-18.el9_9.1.aa
  13. Upgrade

    Upgrade redhat/emacs-common-debuginfo to a version that resolves this vulnerability.

    Fixed in 27.2-18.el9_9.1.aa
  14. Upgrade

    Upgrade redhat/emacs-debuginfo to a version that resolves this vulnerability.

    Fixed in 27.2-18.el9_9.1.aa
  15. Upgrade

    Upgrade redhat/emacs-debugsource to a version that resolves this vulnerability.

    Fixed in 27.2-18.el9_9.1.aa
  16. Upgrade

    Upgrade redhat/emacs-lucid to a version that resolves this vulnerability.

    Fixed in 27.2-18.el9_9.1.aa
  17. Upgrade

    Upgrade redhat/emacs-lucid-debuginfo to a version that resolves this vulnerability.

    Fixed in 27.2-18.el9_9.1.aa
  18. Upgrade

    Upgrade redhat/emacs-nox to a version that resolves this vulnerability.

    Fixed in 27.2-18.el9_9.1.aa
  19. Upgrade

    Upgrade redhat/emacs-nox-debuginfo to a version that resolves this vulnerability.

    Fixed in 27.2-18.el9_9.1.aa

Event History

Nov 11, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software

Company

Resources

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