GNU Emacs: Arbitrary code execution — GLSA 202608-21

A vulnerability has been discovered in GNU Emacs allowing arbitrary code execution.

Package	app-editors/emacs on all architectures
Affected versions	< 27.2-r4 < 28.2-r22 < 29.4-r10 < 30.2-r6
Unaffected versions	>= 27.2-r4 >= 28.2-r22 >= 29.4-r10 >= 30.2-r6

GNU Emacs is the extensible, customizable, self-documenting real-time display editor.

A vulnerability has been discovered in GNU Emacs. Please review the CVE identifier referenced below for details.

An attacker could achieve arbitrary code execution by tricking a user into opening a file or directory with a malicious filename via TRAMP.

There is no known workaround at this time.

All GNU Emacs 27 users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=app-editors/emacs-27.2-r4:27"

All GNU Emacs 28 users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=app-editors/emacs-28.2-r22:28"

All GNU Emacs 29 users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=app-editors/emacs-29.4-r10:29"

All GNU Emacs 30 users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=app-editors/emacs-30.2-r6:30"

Release date
August 24, 2026

Latest revision
August 24, 2026: 1

Severity
high

Exploitable
local and remote

Bugzilla entries