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Fedora 42: Exim Important Mail Transfer Fix CVE-2025-67896

fedora
Calendar Grey January 20, 2026
Dist Fedora Esm H88
New exim version released for Fedora 42, addressing CVE-2025-67896 for enhanced mail transfer security.
This is new exim version fixing CVE-2025-67896.

Summary

Exim is a message transfer agent (MTA) developed at the University of

Cambridge for use on Unix systems connected to the Internet. It is

freely available under the terms of the GNU General Public Licence. In

style it is similar to Smail 3, but its facilities are more

general. There is a great deal of flexibility in the way mail can be

routed, and there are extensive facilities for checking incoming

mail. Exim can be installed in place of sendmail, although the

configuration of exim is quite different to that of sendmail.

Update Information:

This is new exim version fixing CVE-2025-67896.

Topics%20covered

Topics Covered

security advisory fedora exim important MTA cve-2025-67896

Change Log

* Sat Jan 3 2026 Jaroslav \u0160karvada - 4.99.1-1 - New version Resolves: CVE-2025-67896

References


[ 1 ] Bug #2423180 - exim-4.99.1 is available https://bugzilla.redhat.com/show_bug.cgi?id=2423180 [ 2 ] Bug #2423183 - CVE-2025-26794 & CWE-122, CWE-787, CWE-843 in Exim 4.99 https://bugzilla.redhat.com/show_bug.cgi?id=2423183

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-aab8eaa2e3' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
important
Lowest
Low
Medium
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Critical

Name: exim
Product: Fedora 42
Version: 4.99.1
Release: 1.fc42
URL: https://www.exim.org/
Summary: The exim mail transfer agent

Topics%20covered

Topics Covered

security advisory fedora exim important MTA cve-2025-67896

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