CVE-2026-25075

A flaw was found in strongSwan. An unauthenticated remote attacker can exploit an integer underflow vulnerability in the EAP-TTLS AVP Attribute-Value Pair parser. By sending specially crafted AVP data with invalid length fields during IKEv2 Internet Key Exchange version 2 authentication, the...

UBUNTU-CVE-2026-25075

strongSwan versions 4.5.0 prior to 6.0.5 contain an integer underflow vulnerability in the EAP-TTLS AVP parser that allows unauthenticated remote attackers to cause a denial of service by sending crafted AVP data with invalid length fields during IKEv2 authentication. Attackers can exploit the...

SUSE CVE-2009-1957

charon/sa/ikesa.c in the charon daemon in strongSWAN before 4.3.1 allows remote attackers to cause a denial of service NULL pointer dereference and crash via an invalid IKESAINIT request that triggers "an incomplete state," followed by a CREATECHILDSA request...

SUSE CVE-2009-1958

charon/sa/tasks/childcreate.c in the charon daemon in strongSWAN before 4.3.1 switches the NULL checks for TSi and TSr payloads, which allows remote attackers to cause a denial of service via an IKEAUTH request without a 1 TSi or 2 TSr traffic selector...

CVE-2013-6076

strongSwan 5.0.2 through 5.1.0 allows remote attackers to cause a denial of service NULL pointer dereference and charon daemon crash via a crafted IKEv1 fragmentation packet...

Null pointer dereference

strongSwan 5.0.2 through 5.1.0 allows remote attackers to cause a denial of service NULL pointer dereference and charon daemon crash via a crafted IKEv1 fragmentation packet...

CVE-2013-6076

strongSwan 5.0.2 through 5.1.0 allows remote attackers to cause a denial of service NULL pointer dereference and charon daemon crash via a crafted IKEv1 fragmentation packet...

DSA-2789-1 strongswan - Denial of service and authorization bypass

Bulletin has no description...

Debian DSA-1899-1 : strongswan - several vulnerabilities

Several remote vulnerabilities have been discovered in strongswan, an implementation of the IPSEC and IKE protocols. The Common Vulnerabilities and Exposures project identifies the following problems : - CVE-2009-1957 CVE-2009-1958 The charon daemon can crash when processing certain crafted IKEv2...

Debian: Security Advisory (DSA-1899-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2009 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Debian Security Advisory DSA 1899-1 (strongswan)

The remote host is missing an update to strongswan announced via advisory DSA 1899-1. OpenVAS Vulnerability Test $Id: deb18991.nasl 6615 2017-07-07 12:09:52Z cfischer $ Description: Auto-generated from advisory DSA 1899-1 strongswan Authors: Thomas Reinke Copyright: Copyright c 2009 E-Soft Inc...

DSA-1899-1 strongswan - denial of service

Bulletin has no description...

Null pointer dereference

charon/sa/ikesa.c in the charon daemon in strongSWAN before 4.3.1 allows remote attackers to cause a denial of service NULL pointer dereference and crash via an invalid IKESAINIT request that triggers "an incomplete state," followed by a CREATECHILDSA request...

CVE-2009-1958

charon/sa/tasks/childcreate.c in the charon daemon in strongSWAN before 4.3.1 switches the NULL checks for TSi and TSr payloads, which allows remote attackers to cause a denial of service via an IKEAUTH request without a 1 TSi or 2 TSr traffic selector...

Design/Logic Flaw

charon/sa/tasks/childcreate.c in the charon daemon in strongSWAN before 4.3.1 switches the NULL checks for TSi and TSr payloads, which allows remote attackers to cause a denial of service via an IKEAUTH request without a 1 TSi or 2 TSr traffic selector...

DEBIAN-CVE-2009-1958

charon/sa/tasks/childcreate.c in the charon daemon in strongSWAN before 4.3.1 switches the NULL checks for TSi and TSr payloads, which allows remote attackers to cause a denial of service via an IKEAUTH request without a 1 TSi or 2 TSr traffic selector...

CVE-2009-1957

charon/sa/ikesa.c in the charon daemon in strongSWAN before 4.3.1 allows remote attackers to cause a denial of service NULL pointer dereference and crash via an invalid IKESAINIT request that triggers "an incomplete state," followed by a CREATECHILDSA request...

DEBIAN-CVE-2009-1957

charon/sa/ikesa.c in the charon daemon in strongSWAN before 4.3.1 allows remote attackers to cause a denial of service NULL pointer dereference and crash via an invalid IKESAINIT request that triggers "an incomplete state," followed by a CREATECHILDSA request...

CVE-2009-1958

charon/sa/tasks/childcreate.c in the charon daemon in strongSWAN before 4.3.1 switches the NULL checks for TSi and TSr payloads, which allows remote attackers to cause a denial of service via an IKEAUTH request without a 1 TSi or 2 TSr traffic selector...

CVE-2009-1957

charon/sa/ikesa.c in the charon daemon in strongSWAN before 4.3.1 allows remote attackers to cause a denial of service NULL pointer dereference and crash via an invalid IKESAINIT request that triggers "an incomplete state," followed by a CREATECHILDSA request...