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...

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...

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...

ALSA-2026:89748 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...

ALSA-2026:89923 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...

Amazon Linux 2 : libreswan (ALAS-2026-4021)

The version of libreswan installed on the remote host is prior to 3.25-4.8. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-4021 advisory. A null pointer dereference flaw was found in Libreswan's PKCS7 certificate payload handling. When processing a crafted IKEv2...

Important: libreswan

Issue Overview: 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...

Linux Distros Unpatched Vulnerability : CVE-2026-77207

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Libreswan has a null pointer dereference bug in the PKCS7 handling code for IKE certificate authentication. When libreswan decodes an IKE CERT payload of type...

AlmaLinux 9.2 [TuxCare] Security Update: libreswan (ALMALINUX9.2:CLSA-2026:1792158739)

The AlmaLinux 9.2 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1792158739 advisory. - Libreswan has a null pointer dereference bug in the PKCS7 handling code for IKE certificate authentication. When libreswan decodes an IKE...

EUVD-2026-100749

Libreswan has a null pointer dereference bug in the PKCS7 handling code for IKE certificate authentication. When libreswan decodes an IKE CERT payload of type CERTPKCS7WRAPPEDX509, it guards the PKCS7 blob with SECPKCS7ContainsCertsOrCrls and then iterates the certificate list with...

AZL-108033 CVE-2026-77207 affecting package libreswan 4.15-3

Libreswan has a null pointer dereference bug in the PKCS7 handling code for IKE certificate authentication. When libreswan decodes an IKE CERT payload of type CERTPKCS7WRAPPEDX509, it guards the PKCS7 blob with SECPKCS7ContainsCertsOrCrls and then iterates the certificate list with...

DEBIAN-CVE-2026-77207

Libreswan has a null pointer dereference bug in the PKCS7 handling code for IKE certificate authentication. When libreswan decodes an IKE CERT payload of type CERTPKCS7WRAPPEDX509, it guards the PKCS7 blob with SECPKCS7ContainsCertsOrCrls and then iterates the certificate list with...

CVE-2026-77207

The Libreswan VPN software contains a null pointer dereference bug within the PKCS#7 handling code used for IKE certificate authentication. The vulnerability occurs when the software decodes an IKE CERT payload of type CERT_PKCS7_WRAPPED_X509 . Specifically, the system uses two NSS APIs that disa...

CVE-2026-77207 Null Pointer Dereference in PKCS#7 bundle with no certificates

Libreswan has a null pointer dereference bug in the PKCS7 handling code for IKE certificate authentication. When libreswan decodes an IKE CERT payload of type CERTPKCS7WRAPPEDX509, it guards the PKCS7 blob with SECPKCS7ContainsCertsOrCrls and then iterates the certificate list with...

CVE-2026-77207

Libreswan has a null pointer dereference bug in the PKCS7 handling code for IKE certificate authentication. When libreswan decodes an IKE CERT payload of type CERTPKCS7WRAPPEDX509, it guards the PKCS7 blob with SECPKCS7ContainsCertsOrCrls and then iterates the certificate list with...

CVE-2026-77207

Libreswan has a null pointer dereference bug in the PKCS7 handling code for IKE certificate authentication. When libreswan decodes an IKE CERT payload of type CERTPKCS7WRAPPEDX509, it guards the PKCS7 blob with SECPKCS7ContainsCertsOrCrls and then iterates the certificate list with...

Asymmetric Resource Consumption

Overview Affected versions of this package are vulnerable to Asymmetric Resource Consumption in the EnvelopedCms.Decode method, which performs quadratic work while processing the attributes of a CMS or PKCS7 message. An attacker can exhaust CPU on the host before any authentication step by...

CVE-2026-77207

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...

PT-2026-122247

Libreswan has a null pointer dereference bug in the PKCS7 handling code for IKE certificate authentication. When libreswan decodes an IKE CERT payload of type CERT PKCS7 WRAPPED X509, it guards the PKCS7 blob with SEC PKCS7ContainsCertsOrCrls and then iterates the certificate list with SEC...

PT-2026-113537

Name of the Vulnerable Software and Affected Versions Libreswan affected versions not specified Description A null pointer dereference exists in the PKCS7 handling code used for IKE certificate authentication. The issue occurs when decoding an IKE CERT payload of type CERT PKCS7 WRAPPED X509. The...