StrongSwan

Platform

Threat entity extracted from intelligence sources

Frequency

occurrences

First Seen

November 3, 2025

Last Seen

June 9, 2026

API

StrongSwan is an open-source IPsec-based VPN platform used on Linux and other operating systems to provide site-to-site and remote-access VPN connectivity.

Overview

Recent Events

Relationships

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Related Clusters (4)

Multiple Vulnerabilities in strongSwan Addressed in Recent Updates

Apr 28·3 sources

Critical DoS Vulnerability in strongSwan Affects Multiple Ubuntu Releases

Mar 23·2 sources

Critical strongSwan Vulnerability Exposes Multiple Ubuntu Versions to DoS and Code Execution

Jun 9·2 sources

SUSE and openSUSE Address Moderate grub2 Vulnerabilities

Nov 20·46 sources

Related Entities

DDoS Zero-day Exploit Denial of Service Ubuntu CVE-2025-62291 CVE-2026-25075 SUSE Linux Enterprise High Performance Computing 12 SP5 SUSE Linux Enterprise Server SUSE Linux Enterprise Server 12 SP5 SUSE Linux Enterprise Server 12 SP5 LTSS SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security SUSE Linux Enterprise Server For SAP Applications 12 SP5

StrongSwan

Overview

Recent Events

Profile

CVEs

Attack Types

Relationships

Related Clusters (4)

Multiple Vulnerabilities in strongSwan Addressed in Recent Updates

Critical DoS Vulnerability in strongSwan Affects Multiple Ubuntu Releases

Critical strongSwan Vulnerability Exposes Multiple Ubuntu Versions to DoS and Code Execution

SUSE and openSUSE Address Moderate grub2 Vulnerabilities

Related Articles (5)

Ubuntu 26.04 LTS strongSwan Critical DoS Risk USN-8407

USN-8407-1: strongSwan vulnerability

Ubuntu 26.04 LTS strongSwan Advisory USN-8196-2 CVE-2026

Ubuntu 25.10 strongSwan Critical DoS Exploit USN-8117-1 CVE-2026

SUSE Linux 12 SP5: StrongSwan Important Buffer Overflow CVE-2025

Related Entities