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...

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...

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 9.6 [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 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...

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...

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...

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 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...

Security Bulletin: This Power System update is being released to address CVE-2026-45447

Summary An authenticated administrator user uploading a specially crafted certificate to the BMC can lead to loss of integrity or remote code execution. Vulnerability Details CVEID:CVE-2026-45447 DESCRIPTION: Issue summary: A specially crafted PKCS7 or S/MIME signed message could trigger a...

USN-8789-1 strongswan vulnerabilities

It was discovered that strongSwan incorrectly handled PKCS7 containers in the openssl plugin. A remote attacker could possibly use this issue to cause strongSwan to crash, resulting in a denial of service. CVE-2026-78123 It was discovered that strongSwan incorrectly handled memory when enumeratin...

K000163349: Gnutls vulnerability CVE-2026-5419

Security Advisory Description A flaw was found in gnutls. The PKCS7 padding check, performed during decryption, was not constant-time. This timing side-channel could allow a remote attacker to potentially leak sensitive information about the padding bytes through observable timing differences. Th...

EulerOS 2.0 SP10 : openssl (EulerOS-SA-2026-3756)

According to the versions of the openssl packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : Issue summary: Parsing a crafted DER-encoded ASN.1 structure with a primitive element whose content exceeds 2 gigabytes in length may cause a hea...

EulerOS Virtualization 2.12.1 : shim (EulerOS-SA-2026-3619)

According to the versions of the shim package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : Issue summary: A specially crafted PKCS7 or S/MIME signed message could trigger a use-after-free during PKCS7 signature...

EulerOS 2.0 SP10 : openssl (EulerOS-SA-2026-3709)

According to the versions of the openssl packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : Issue summary: Parsing a crafted DER-encoded ASN.1 structure with a primitive element whose content exceeds 2 gigabytes in length may cause a hea...

USN-8776-1: python-cryptography vulnerabilities

It was discovered that python-cryptography incorrectly accepted objects with immutable buffers when performing certain cipher operations. This would result in corrupted output, contrary to expectations. This issue only affected Ubuntu 18.04 LTS. CVE-2023-23931 It was discovered that...

USN-8776-1 python-cryptography vulnerabilities

It was discovered that python-cryptography incorrectly accepted objects with immutable buffers when performing certain cipher operations. This would result in corrupted output, contrary to expectations. This issue only affected Ubuntu 18.04 LTS. CVE-2023-23931 It was discovered that...

Security Bulletin: A vulnerability in OpenSSL affects IBM DevOps Code ClearCase

Summary OpenSSL vulnerabilities were disclosed by the OpenSSL Project. OpenSSL is used by IBM DevOps Code ClearCase. CVE-2026-22796 Vulnerability Details CVEID:CVE-2026-22796 DESCRIPTION: Issue summary: A type confusion vulnerability exists in the signature verification of signed PKCS7 data where...

SUSE SLES15: strongswan / strongswan-doc / strongswan-hmac / strongswan-ipsec / etc (SUSE-SU-2026:4146-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4146-1 advisory. - CVE-2026-78123: Undefined Memory Access When Handling PKCS7 Containers bsc1276533. - CVE-2026-78124: Memory Leak When Processing...