CVE-2026-45769

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5,IKEv2 parser state could grow without bounds while storing client transforms. Repeated crafted UDP traffic may cause Suricata to consume excessi...

CVE-2026-45769 ikev2: unbounded client transform storage can lead to resource exhaustion

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5,IKEv2 parser state could grow without bounds while storing client transforms. Repeated crafted UDP traffic may cause Suricata to consume excessi...

CVE-2026-45769

Suricata , a network IDS/IPS/NSM engine, is affected by an unbounded memory growth issue in its IKEv2 parser prior to versions 7.0.16 and 8.0.5 . The parser state can grow without bounds while storing client transforms, meaning repeated crafted UDP traffic may cause excessive memory consumption a...

CVE-2026-45769 ikev2: unbounded client transform storage can lead to resource exhaustion

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5,IKEv2 parser state could grow without bounds while storing client transforms. Repeated crafted UDP traffic may cause Suricata to consume excessi...

CVE-2026-33824

🚨 CVE-2026-33824: Exploitation Analysis and Remediation 🎯 Executive Summary CVE-2026-33824 is a critical vulnerability CVSS 9.8/10 in Windows' IKE Internet Key Exchange protocol that allows unauthenticated remote code execution. This is the "memory surgery" every elite attacker seeks: a Double Fr...

CVE-2025-14733

WatchGuard IKEv2 Scanner — CVE-2025-14733 Identifica los dispositivos WatchGuard Firebox vulnerables a CVE-2025-14733, una vulnerabilidad crítica de preautenticación en la implementación de IKEv2 del sistema Fireware OS. Esta herramienta realiza una detección segura de versiones mediante la...

Docker IPsec VPN Server

English | 简体中文 | 繁體中文 | Русский Servidor VPN IPsec en Docker Imagen de Docker para ejecutar un servidor VPN IPsec, con IPsec/L2TP, Cisco IPsec e IKEv2. Basado en Alpine 3.23 o Debian 12 con Libreswan software VPN IPsec y xl2tpd demonio L2TP. Una VPN IPsec cifra tu tráfico de red, de modo que nadi...

Setup IPsec VPN

English | 简体中文 | 繁體中文 | 日本語 | Русский IPsec VPN Server Auto Setup Scripts...

Setup IPsec VPN — Updated!

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...

IKEV2-POC

EpSiLoNPoInTIkEv2.cpp ⚠️ Proyecto en proceso de finalización. NO totalmente funcional en el estado actual. Descripción EpSiLoNPoInTIkEv2.cpp es un prototipo de exploit C/C++ dirigido a Windows, desarrollado en torno a una explotación de tipo double-free enikeext.dll controlador IKEv2 de Windows,...

watchTowr-vs-WatchGuard-CVE-2025-9242

watchTowr-vs-WatchGuard-CVE-2025-9242 Detection Artifact Generator for WatchGuard CVE-2025-9242 https://github.com/user-attachments/assets/097f099b-ba60-4223-adea-04279570460f See our blog post for technical details Detection in Action root@kitploit: python watchTowr-vs-WatchGuard-CVE-2025-9242.p...

CVE-2026-14957

In FIPS mode, Libreswan's adddecodedcert function calls CERTExtractPublicKey and asserts that the result is not NULL. However, CERTExtractPublicKey returns NULL when public key extraction fails, for example if the RSA exponent is set to 0. A remote attacker can send a malformed X.509 certificate ...

Important: Red Hat Security Advisory: libreswan security update

An update for libreswan is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. 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...

librenswan: IKEv2 Denial of Service via RSA-SHA1 (PKCS#1 RSASSA-PKCS1-v1_5) authentication payload

A flaw was found in Libreswan's implementation of IKEv2 authentication when processing signatures utilizing the RSASSA-PKCS1-v15 scheme. The RSAauthenticatehashsignaturepkcs115rsa function does not correctly validate the DER encoding of the ASN.1 digest. A remote, unauthenticated attacker could...

librenswan: IKEv2 Denial of Service via malformed fragmentation

A flaw was found in Libreswan's IKEv2 fragment reassembly mechanism. When a VPN gateway processes incoming split network packets fragments containing unexpected data, an off-by-one boundary validation error triggers an internal program safety check assertion failure. A remote, unauthenticated...

librenswan: IKEv2 Denial of Service via malformed fragmentation

A flaw was found in Libreswan's IKEv2 fragment reassembly mechanism. When a VPN gateway processes incoming split network packets fragments containing unexpected data, an off-by-one boundary validation error triggers an internal program safety check assertion failure. A remote, unauthenticated...

librenswan: IKEv2 Denial of Service via RSA-SHA1 (PKCS#1 RSASSA-PKCS1-v1_5) authentication payload

A flaw was found in Libreswan's implementation of IKEv2 authentication when processing signatures utilizing the RSASSA-PKCS1-v15 scheme. The RSAauthenticatehashsignaturepkcs115rsa function does not correctly validate the DER encoding of the ASN.1 digest. A remote, unauthenticated attacker could...

libreswan: badly formatted X.509 certificate can cause an assertion failure that crashes the daemon process

A flaw was found in Libreswan. An unauthenticated remote attacker can send a specially crafted X.509 certificate payload during an IKEv1 or IKEv2 exchange. This flaw occurs when Libreswan is operating in FIPS Federal Information Processing Standards mode and processing a certificate with an inval...

RHEL 9 : libreswan (RHSA-2026:61258)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:61258 advisory. Libreswan is an implementation of IPsec and IKE for Linux. IPsec is the Internet Protocol Security and uses strong cryptography to provide...

librenswan: IKEv2 Denial of Service via RSA-SHA1 (PKCS#1 RSASSA-PKCS1-v1_5) authentication payload

A flaw was found in Libreswan's implementation of IKEv2 authentication when processing signatures utilizing the RSASSA-PKCS1-v15 scheme. The RSAauthenticatehashsignaturepkcs115rsa function does not correctly validate the DER encoding of the ASN.1 digest. A remote, unauthenticated attacker could...