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Fedora 43 strongSwan Critical RCE Update 2026-67a9805962

fedora
Calendar Grey June 25, 2026
Dist Fedora Esm H88
Addressing critical RCE and multiple vulnerabilities in strongswan for Fedora 43 with recommended updates available.
Addresses CVE-2026-47895 which is a theoretical RCE Fixes CVE-2026-25075, CVE-2026-35328, CVE-2026-35329, CVE-2026-35330, CVE-2026-35331, CVE-2026-35332, CVE-2026-35333, CVE-2026-3...

Summary

The strongSwan IPsec implementation supports both the IKEv1 and IKEv2 key

exchange protocols in conjunction with the native NETKEY IPsec stack of the

Linux kernel.

Update Information:

Addresses CVE-2026-47895 which is a theoretical RCE Fixes CVE-2026-25075, CVE-2026-35328, CVE-2026-35329, CVE-2026-35330, CVE-2026-35331, CVE-2026-35332, CVE-2026-35333, CVE-2026-35334 Update to address CVE-2025-9615 and CVE-2025-62291

Topics%20covered

Topics Covered

security advisory denial of service fedora critical RCE strongSwan

Change Log

* Sun Jun 14 2026 Paul Wouters - 6.0.7-1 - Update to 6.0.7 for CVE-2026-47895 * Fri Jun 12 2026 Yaakov Selkowitz - 6.0.6-3 - Rebuilt for openssl 4.0 * Tue May 12 2026 Paul Wouters - 6.0.6-2 - updated sources * Tue May 12 2026 Paul Wouters - 6.0.6-1 - Update to 6.0.6 for 8 CVEs * Wed Mar 4 2026 Petr Menšík - 6.0.4-2 - Fix subpackages dependencies * Wed Mar 4 2026 Paul Wouters - 6.0.4-1 - Update to 6.0.4 for CVE-2025-9615 and CVE-2025-62291 * Sat Jan 17 2026 Fedora Release Engineering - 6.0.2-5 - Rebuilt for https://fedoraproject.org/wiki/Fedora_44_Mass_Rebuild

References


[ 1 ] Bug #2450414 - CVE-2026-25075 strongSwan: strongSwan: Denial of Service via integer underflow in EAP-TTLS AVP parser https://bugzilla.redhat.com/show_bug.cgi?id=2450414

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-67a9805962' 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
critical
Lowest
Low
Medium
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Critical

Name: strongswan
Product: Fedora 43
Version: 6.0.7
Release: 2.fc43
URL: https://www.strongswan.org/
Summary: An OpenSource IPsec-based VPN and TNC solution

Topics%20covered

Topics Covered

security advisory denial of service fedora critical RCE strongSwan

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