[ GLSA 202608-07 ] Exim: Multiple Vulnerabilities

[email protected] Fri, 14 Aug 2026 00:52:50 -0000
Newsgroups	gmane.linux.gentoo.announce
Message-ID	<178666877047.1.8664916560339055112@ea9ff15b5095>
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Gentoo Linux Security Advisory                           GLSA 202608-07
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                                           https://security.gentoo.org/
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 Severity: High
    Title: Exim: Multiple Vulnerabilities
     Date: August 14, 2026
     Bugs: #938214, #952139, #974785
       ID: 202608-07

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Synopsis
========

Multiple vulnerabilities have been found in Exim, the worst of which
allows arbitrary code execution.

Background
==========

Exim is a message transfer agent (MTA) designed to be a a highly
configurable, drop-in replacement for sendmail.

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

Package        Vulnerable    Unaffected
-------------  ------------  ------------
mail-mta/exim  < 4.99.4      >= 4.99.4

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

Multiple vulnerabilities have been discovered in Exim. Please review the
CVE identifiers referenced below for details.

Impact
======

Please review the referenced CVE identifiers for details.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Exim users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=mail-mta/exim-4.99.4"

References
==========

[ 1 ] CVE-2024-39929
      https://nvd.nist.gov/vuln/detail/CVE-2024-39929
[ 2 ] CVE-2025-30232
      https://nvd.nist.gov/vuln/detail/CVE-2025-30232
[ 3 ] CVE-2026-40684
      https://nvd.nist.gov/vuln/detail/CVE-2026-40684
[ 4 ] CVE-2026-40685
      https://nvd.nist.gov/vuln/detail/CVE-2026-40685
[ 5 ] CVE-2026-40686
      https://nvd.nist.gov/vuln/detail/CVE-2026-40686
[ 6 ] CVE-2026-40687
      https://nvd.nist.gov/vuln/detail/CVE-2026-40687
[ 7 ] CVE-2026-45185
      https://nvd.nist.gov/vuln/detail/CVE-2026-45185

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

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

 https://security.gentoo.org/glsa/202608-07

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
[email protected] or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2026 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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