GLSA 202608-21: GNU Emacs: Arbitrary code execution

http://security.gentoo.org/

Severity:	high
Title:	GNU Emacs: Arbitrary code execution
Date:	08/24/2026
Bugs:	#981157
ID:	202608-21

Synopsis

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

Background

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

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
app-editors/emacs	< 27.2-r4	>= 27.2-r4	All supported architectures

Description

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

Impact

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

Workaround

There is no known workaround at this time.

Resolution

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"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202608-21.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.