EUVD-2026-75907

libcharon in strongSwan 6.0.0 through 6.0.7 has a use-after-free in IKEv2 rekeying collision handling...

CVE-2026-78133

libcharon in strongSwan 6.0.0 through 6.0.7 has a use-after-free in IKEv2 rekeying collision handling...

CVE-2026-78133

CVE-2026-78133 is a use-after-free vulnerability in libcharon , the core component of strongSwan (versions 6.0.0 through 6.0.7), triggered during IKEv2 rekeying collision handling . According to the Debian security advisory, this can lead to remote code execution . The CVSS 3.1 base score is 7.5 ...

CVE-2026-78133

libcharon in strongSwan 6.0.0 through 6.0.7 has a use-after-free in IKEv2 rekeying collision handling...

PT-2026-89739

libcharon in strongSwan 6.0.0 through 6.0.7 has a use-after-free in IKEv2 rekeying collision handling...

Linux Distros Unpatched Vulnerability : CVE-2026-45769

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

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...

DEBIAN-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 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...

EUVD-2026-75789

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-2026-33824

🚨 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...

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...

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...