Docker IPsec VPN Server

English | 简体中文 | 繁體中文 | Русский IPsec VPN Server on Docker Docker image to run an IPsec VPN server, with IPsec/L2TP, Cisco IPsec and IKEv2. Based on Alpine 3.23 or Debian 12 with Libreswan IPsec VPN software and xl2tpd L2TP daemon. An IPsec VPN encrypts your network traffic, so that nobody betwee...

setup-ipsec-vpn

English | 简体中文 | 繁體中文 | 日本語 | Русский IPsec VPN Server Auto Setup Scripts Set up your own IPsec VPN server in just a few minutes, with IPsec/L2TP, Cisco IPsec and IKEv2. An IPsec VPN encrypts your network traffic, so that nobody between you and the VPN server can eavesdrop on your data as it...

libreswan security update

An update is available for libreswan. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Libreswan is an implementation of IPsec and IKE for Linux. IPsec is the...

RLSA-2026:98088 Important: libreswan security update

Libreswan is an implementation of IPsec and IKE for Linux. IPsec is the Internet Protocol Security and uses strong cryptography to provide both authentication and encryption services. These services allow you to build secure tunnels through untrusted networks such as virtual private network VPN...

libreswan: Null Pointer Dereference in PKCS#7 bundle with no CERTS

A null pointer dereference flaw was found in Libreswan's PKCS7 certificate payload handling. When processing a crafted IKEv2 IKEAUTH packet containing a PKCS7 bundle with a certificate revocation list but no certificates, Libreswan may dereference a null pointer, causing the pluto daemon to crash...

libreswan: IKEv2 pre-authentication Null Pointer deref in EAP code

A null pointer dereference flaw was found in Libreswan's IKEv2 state-machine handling. A remote, unauthenticated attacker can trigger the flaw by sending a malicious IKEv2 IKEAUTH packet, causing the pluto daemon to crash and restart. Repeated exploitation may result in a denial of service. The...

libreswan: IKEv2 Use-After-Free bug when using IKE-over-TCP

A use-after-free flaw was found in Libreswan's IKE-over-TCP handling. When a TCP connection closes and additional packet processing occurs for the same connection tuple, the IKE daemon may access a previously freed interface endpoint object. A remote, unauthenticated attacker may exploit this fla...

Important: Red Hat Security Advisory: libreswan security update

An update for libreswan is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability fro...

libreswan: IKEv2 pre-authentication Null Pointer deref in EAP code

A null pointer dereference flaw was found in Libreswan's IKEv2 state-machine handling. A remote, unauthenticated attacker can trigger the flaw by sending a malicious IKEv2 IKEAUTH packet, causing the pluto daemon to crash and restart. Repeated exploitation may result in a denial of service. The...

libreswan: Null Pointer Dereference in PKCS#7 bundle with no CERTS

A null pointer dereference flaw was found in Libreswan's PKCS7 certificate payload handling. When processing a crafted IKEv2 IKEAUTH packet containing a PKCS7 bundle with a certificate revocation list but no certificates, Libreswan may dereference a null pointer, causing the pluto daemon to crash...

libreswan: IKEv2 Use-After-Free bug when using IKE-over-TCP

A use-after-free flaw was found in Libreswan's IKE-over-TCP handling. When a TCP connection closes and additional packet processing occurs for the same connection tuple, the IKE daemon may access a previously freed interface endpoint object. A remote, unauthenticated attacker may exploit this fla...

Important: Red Hat Security Advisory: libreswan security, bug fix, and enhancement update

An update for libreswan is now available for Fast Datapath for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

libreswan: Denial of Service via sending bogus X.509 certificates

A flaw was found in Libreswan's handling of malformed X.509 certificates when running in FIPS mode. A remote attacker may cause a rejected certificate to remain in the NSS certificate cache, resulting in legitimate certificates with the same serial number being rejected. This can prevent affected...

RLSA-2026:97878 Important: libreswan security update

Libreswan is an implementation of IPsec and IKE for Linux. IPsec is the Internet Protocol Security and uses strong cryptography to provide both authentication and encryption services. These services allow you to build secure tunnels through untrusted networks such as virtual private network VPN...

libreswan security update

An update is available for libreswan. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Libreswan is an implementation of IPsec and IKE for Linux. IPsec is the...

RHEL 10 : libreswan (RHSA-2026:98088)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:98088 advisory. Libreswan is an implementation of IPsec and IKE for Linux. IPsec is the Internet Protocol Security and uses strong cryptography to provide...

Rocky Linux 9 [CIQ] Security Update: libreswan / libreswan-debuginfo / libreswan-debugsource Multiple Vulnerabilities (crlsa-2026_97878)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202697878 advisory. libreswan: IKEv2 Use-After-Free bug when using IKE-over-TCP CVE-2026-94453 libreswan: IKEv2 pre-authentication Null Pointer deref in EAP code CVE-2026-772...

Important: Red Hat Security Advisory: libreswan security update

An update for libreswan is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

libreswan: IKEv2 Use-After-Free bug when using IKE-over-TCP

A use-after-free flaw was found in Libreswan's IKE-over-TCP handling. When a TCP connection closes and additional packet processing occurs for the same connection tuple, the IKE daemon may access a previously freed interface endpoint object. A remote, unauthenticated attacker may exploit this fla...

libreswan: IKEv2 pre-authentication Null Pointer deref in EAP code

A null pointer dereference flaw was found in Libreswan's IKEv2 state-machine handling. A remote, unauthenticated attacker can trigger the flaw by sending a malicious IKEv2 IKEAUTH packet, causing the pluto daemon to crash and restart. Repeated exploitation may result in a denial of service. The...