SUSE SLES15 Security Update : strongswan (SUSE-SU-2026:2197-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2197-1 advisory. - CVE-2026-35328: infinite loop when handling supported versions TLS extension bsc1261712. - CVE-2026-35329: null pointer dereferen...

Security update for strongswan

This update for strongswan fixes the following issues: CVE-2026-35328: infinite loop when handling supported versions TLS extension bsc1261712. CVE-2026-35329: null pointer dereference when processing padding in PKCS7 bsc1261717. CVE-2026-35330: integer underflow when handling EAP-SIM/AKA...

📄 strongSwan 5.9.13 Denial of Service

strongSwan version 5.9.13 suffers from a denial of service vulnerability. Exploit Title: strongSwan 5.9.13 - DoS Date: 2026-05-13 Exploit Author: Lukas Johannes Moeller Vendor Homepage: https://www.strongswan.org/ Software Link: https://download.strongswan.org/strongswan-5.9.13.tar.bz2 Version:...

StrongSwan security vulnerabilities

strongSwan is an open-source VPN solution based on IPsec, developed by Andreas Steffen of Switzerland. This solution includes X.509 public key certificates, secure storage of private keys, and authentication mechanisms such as smart cards. strongSwan has a security vulnerability, which stems from...

strongSwan 5.9.13 - DoS

Exploit Title: strongSwan 5.9.13 - DoS Date: 2026-05-13 Exploit Author: Lukas Johannes Moeller Vendor Homepage: https://www.strongswan.org/ Software Link: https://download.strongswan.org/strongswan-5.9.13.tar.bz2 Version: strongSwan next never advances and the per-attribute length computation...

📄 strongSwan 5.9.13 Buffer Overflow

strongSwan version 5.9.13 suffers from a pre-authentication heap buffer overflow vulnerability. Exploit Title: strongSwan 5.9.13 - heap buffer overflow Date: 2026-05-13 Exploit Author: Lukas Johannes Moeller Vendor Homepage: https://www.strongswan.org/ Software Link:...

strongSwan 5.9.13 - libsimaka EAP-SIM/AKA heap buffer overflow

Exploit Title: strongSwan 5.9.13 - heap buffer overflow Date: 2026-05-13 Exploit Author: Lukas Johannes Moeller Vendor Homepage: https://www.strongswan.org/ Software Link: https://download.strongswan.org/strongswan-5.9.13.tar.bz2 Version: strongSwan length 4 - 4 without guarding against hdr-lengt...

StrongSwan security vulnerabilities

strongSwan is an open-source VPN solution based on IPsec, developed by Andreas Steffen of Switzerland. This solution includes X.509 public key certificates, secure storage of private keys, and authentication mechanisms such as smart cards. strongSwan has security vulnerabilities, which stem from...

Critical Photon OS Security Update - PHSA-2026-5.0-0857

Updates of 'libssh2', 'rubygem-nokogiri', 'strongswan', 'glibc' packages of Photon OS have been released...

Unity Linux 20.1070e Security Update: strongswan (UTSA-2026-016762)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016762 advisory. In strongSwan before 5.9.5, a malicious responder can send an EAP-Success message too early without actually authenticating the client and in the case of EAP methods...

[SECURITY] Fedora 44 Update: strongswan-6.0.6-2.fc44

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...

Astra Linux - уязвимость в strongswan

StrongSwan before version 5.9.12 has a buffer overflow vulnerability, and there is a possibility of unauthenticated remote code execution through a DH public key value that exceeds the internal buffer of charon-tkm’s DH proxy. The earliest affected version is 5.3.0. An attack can occur through a...

Astra Linux - уязвимость в strongswan

Before version 5.9.8, StrongSwan allowed remote attackers to cause a denial of service in the revocation plugin by sending a crafted end-entity and intermediate CA certificate that contained a CRL/OCSP URL pointing to a server under the attacker’s control that did not respond properly. In some...

Fedora 44 : strongswan (2026-cc6fcd3a58)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-cc6fcd3a58 advisory. 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 Tenable has...

Important Photon OS Security Update - PHSA-2026-4.0-1022

Updates of 'expat', 'strongswan' packages of Photon OS have been released...

Exploit for CVE-2026-35333

CVE-2026-35333 strongSwan RADIUS attribute-iterator pre-auth...

Exploit for CVE-2026-35330

CVE-2026-35330 strongSwan EAP-SIM / EAP-AKA attribute parser...

📄 strongSwan 4.5.0 EAP-TTLS Integer Underflow

This Metasploit auxiliary module is designed to detect a vulnerability in strongSwan's EAP-TTLS implementation, identified as CVE-2026-25075. The issue is related to an integer underflow in the handling of AVP Attribute-Value Pair length fields during IKE-related UDP communication...

openSUSE 16 Security Update : strongswan (openSUSE-SU-2026:20678-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20678-1 advisory. Update to version 6.0.6 jscPED-16145. Security issued fixed: - CVE-2026-35328: infinite loop when handling supported versions TLS extension...

SUSE SLES12 Security Update : strongswan (SUSE-SU-2026:1762-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1762-1 advisory. - CVE-2026-35329: NULL pointer dereference when processing padding in PKCS7 bsc1261717. - CVE-2026-35330: integer underflow when handling...