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...

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...

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...

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...

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

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...

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-2026-113537

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...

openssl: Heap Use-After-Free in OpenSSL PKCS7_verify()

A flaw was found in OpenSSL. When processing a specially crafted PKCS7 or S/MIME Secure/Multipurpose Internet Mail Extensions signed message, a heap use-after-free vulnerability in the PKCS7verify function can be triggered. This occurs if the SignedData digestAlgorithms field is present as an emp...

CentOS Linux 8.4 [TuxCare] Security Update: openssl / openssl-devel / openssl-libs / openssl-perl / etc (CENTOS8.4:CLSA-2026:1782152516)

The CentOS Linux 8.4 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.4:CLSA-2026:1782152516 advisory. - Issue summary: A specially crafted PKCS7 or S/MIME signed message could trigger a use-after-free during PKCS7 signature verification. Impac...

CentOS Linux 7 [TuxCare] Security Update: openssl11 / openssl11-devel / openssl11-libs / openssl11-static (CENTOS7:CLSA-2026:1786005006)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1786005006 advisory. - Issue summary: A specially crafted PKCS7 or S/MIME signed message could trigger a use-after-free during PKCS7 signature verification. Impact...

CentOS Linux 7 [TuxCare] Security Update: openssl / openssl-devel / openssl-libs / openssl-perl / etc (CENTOS7:CLSA-2026:1781208261)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1781208261 advisory. - Issue summary: A specially crafted PKCS7 or S/MIME signed message could trigger a use-after-free during PKCS7 signature verification. Impact...

AlmaLinux 9.2 [TuxCare] Security Update: compat-openssl11 (ALMALINUX9.2:CLSA-2026:1785517004)

The AlmaLinux 9.2 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1785517004 advisory. - Issue summary: A specially crafted PKCS7 or S/MIME signed message could trigger a use-after-free during PKCS7 signature verification. Impac...

Rocky Linux 9.6 [TuxCare] Security Update: compat-openssl11 (ALMALINUX9.6:CLSA-2026:1785154072)

The Rocky Linux 9.6 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1785154072 advisory. - Issue summary: A specially crafted PKCS7 or S/MIME signed message could trigger a use-after-free during PKCS7 signature verification...

AlmaLinux 9.6 [TuxCare] Security Update: compat-openssl11 (ALMALINUX9.6:CLSA-2026:1785154072)

The AlmaLinux 9.6 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1785154072 advisory. - Issue summary: A specially crafted PKCS7 or S/MIME signed message could trigger a use-after-free during PKCS7 signature verification. Impac...

CentOS Linux 6 [TuxCare] Security Update: openssl / openssl-devel / openssl-perl / openssl-static (CENTOS6:CLSA-2026:1781343538)

The CentOS Linux 6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS6:CLSA-2026:1781343538 advisory. - Issue summary: A specially crafted PKCS7 or S/MIME signed message could trigger a use-after-free during PKCS7 signature verification. Impact...

CentOS Linux 8.5 [TuxCare] Security Update: openssl / openssl-devel / openssl-libs / openssl-perl / etc (CENTOS8.5:CLSA-2026:1781549039)

The CentOS Linux 8.5 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.5:CLSA-2026:1781549039 advisory. - Issue summary: A specially crafted PKCS7 or S/MIME signed message could trigger a use-after-free during PKCS7 signature verification. Impac...

CentOS Linux 8 [TuxCare] Security Update: openssl / openssl-devel / openssl-libs / openssl-perl / etc (CENTOS-STREAM8:CLSA-2026:1781175688)

The CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS- STREAM8:CLSA-2026:1781175688 advisory. - Issue summary: A specially crafted PKCS7 or S/MIME signed message could trigger a use-after-free during PKCS7 signature verification...