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Gentoo Linux Security Advisory GLSA 202409-19
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https://security.gentoo.org/
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Severity: High
Title: Emacs, org-mode: Command Execution Vulnerability
Date: September 22, 2024
Bugs: #934736
ID: 202409-19

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Synopsis
========

A vulnerability has been found in Emacs and org-mode which could result
in arbitrary code execution.

Background
==========

Emacs is the extensible, customizable, self-documenting real-time
display editor. org-mode is an Emacs mode for notes and project
planning.

Affected packages
=================

Package Vulnerable Unaffected
------------------ ------------- --------------
app-editors/emacs < 26.3-r19:26 >= 26.3-r19:26
< 27.2-r17:27 >= 27.2-r17:27
< 28.2-r13:28 >= 28.2-r13:28
< 29.3-r3:29 >= 29.3-r3:29
app-emacs/org-mode < 9.7.5 >= 9.7.5

Description
===========

%(...) link abbreviations could specify unsafe functions.

Impact
======

Opening a malicious org-mode file could result in arbitrary code
execution.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Emacs users should upgrade to the latest version according to the
installed slot, one of:

# emerge --sync
# emerge --ask --oneshot --verbose ">=app-editors/emacs-26.3-r19:26"

Alternatively:

# emerge --ask --oneshot --verbose ">=app-editors/emacs-27.2-r17:27"

# emerge --ask --oneshot --verbose ">=app-editors/emacs-28.2-r13:28"

# emerge --ask --oneshot --verbose ">=app-editors/emacs-29.3-r3:29"

All org-mode users should upgrade to the latest package:

# emerge --ask --oneshot --verbose ">=app-emacs/org-mode-9.7.5"

References
==========

[ 1 ] CVE-2024-39331
https://nvd.nist.gov/vuln/detail/CVE-2024-39331

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

https://security.gentoo.org/glsa/202409-19

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.

License
=======

Copyright 2024 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5
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