crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages

A flaw was found in the crypto/tls package within the Go golang standard library, specifically affecting TLS 1.3 connections. A remote attacker can exploit this vulnerability by sending multiple key update messages in a single record after the handshake. This can cause the connection to deadlock,...

Security Bulletin: IBM Cloud Pak for Data System (CPDS 1.0) is affected by multiple vulnerabilities in the cryptography package

Summary IBM Cloud Pak for Data System CPDS 1.0 uses the Python cryptography package, which is affected by multiple security vulnerabilities. CVE-2026-34073 involves improper certificate validation where DNS name constraints are only validated against SANs within child certificates and not the "pe...

Security Bulletin: IBM Maximo Application Suite - Monitor Component uses cryptography-46.0.5-cp311-abi3-manylinux_2_34_x86_64.whl which is vulnerable to CVE-2026-34073

Summary Security Bulletin: IBM Maximo Application Suite - Monitor Component uses cryptography-46.0.5-cp311-abi3-manylinux234x8664.whl which is vulnerable to CVE-2026-34073.This bulletin contains information addressing the vulnerability. Vulnerability Details CVEID:CVE-2026-34073 DESCRIPTION:...

Security Bulletin: z/Transaction Processing Facility is affected by a vulnerability in the cryptography package (CVE-2026-39892)

Summary The cryptography package is used by the z/TPF system as part of runtime metrics collection RTMC. Vulnerability Details CVEID:CVE-2026-39892 DESCRIPTION: cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. From 45.0.0 to before 46.0.7, if...

Security Bulletin: Storage Virtualize Ansible Collection is affected by a vulnerability in the cryptography package

Summary Storage Virtualize Ansible Collection uses the cryptography package to provide common cryptographic algorithms. Version cryptography-46.0.5 package is vulnerable to CVE-2026-39892. Vulnerability Details Refer to the security bulletins listed in the Remediation/Fixes section Affected...

crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages

A flaw was found in the crypto/tls package within the Go golang standard library, specifically affecting TLS 1.3 connections. A remote attacker can exploit this vulnerability by sending multiple key update messages in a single record after the handshake. This can cause the connection to deadlock,...

Security Bulletin: IBM Maximo Scheduler Optimizer uses cryptography-46.0.5-cp311-abi3-manylinux_2_34_x86_64.wh which is vulnerable to CVE-2026-34073

Summary IBM Maximo Scheduler Optimizer uses cryptography-46.0.5-cp311-abi3-manylinux234x8664.wh which is vulnerable to CVE-2026-34073. This bulletin contains information regarding the vulnerability and its fixture. Vulnerability Details CVEID:CVE-2026-34073 DESCRIPTION: cryptography is a package...

crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages

A flaw was found in the crypto/tls package within the Go golang standard library, specifically affecting TLS 1.3 connections. A remote attacker can exploit this vulnerability by sending multiple key update messages in a single record after the handshake. This can cause the connection to deadlock,...

Security Bulletin: cryptography Missing Subgroup Validation in EC Public Keys Enables ECDH Key Leakage and ECDSA Forgery

Summary cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Prior to 46.0.5, the publickeyfromnumbers or EllipticCurvePublicNumbers.publickey, EllipticCurvePublicNumbers.publickey, loadderpublickey and loadpempublickey functions do not verify th...

[SECURITY] Fedora 44 Update: python-cryptography-46.0.7-1.fc44

cryptography is a package designed to expose cryptographic primitives and recipes to Python developers...

Security Bulletin: IBM Security SOAR is using a component with a known vulnerability (CVE-2026-26007)

Summary IBM Security SOAR uses an older version of the cryptography component that may be identified and exploited. Updates for supported versions have been released which address the issue. It is recommended to upgrade to version 51.0.9.2 Vulnerability Details CVEID:CVE-2026-26007 DESCRIPTION:...

Security Bulletin: IBM Cloud Pak for Data System (CPDS 2.0) - Insufficient Verification in cryptography package

Summary IBM Cloud Pak for Data System CPDS 2.0 uses the Python cryptography package version 3.3.2, which contains a critical vulnerability CVE-2026-26007 affecting elliptic curve cryptography operations. The package fails to verify that public key points belong to the expected prime-order subgrou...

[SECURITY] Fedora 43 Update: python-cryptography-46.0.7-1.fc43

cryptography is a package designed to expose cryptographic primitives and recipes to Python developers...

DEBIAN-CVE-2026-39892

cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. From 45.0.0 to before 46.0.7, if a non-contiguous buffer was passed to APIs which accepted Python buffers e.g. Hash.update, this could lead to buffer overflows. This vulnerability is fixed in...

PYSEC-2026-36

cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. From 45.0.0 to before 46.0.7, if a non-contiguous buffer was passed to APIs which accepted Python buffers e.g. Hash.update, this could lead to buffer overflows. This vulnerability is fixed in...

PYSEC-2026-36

cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. From 45.0.0 to before 46.0.7, if a non-contiguous buffer was passed to APIs which accepted Python buffers e.g. Hash.update, this could lead to buffer overflows. This vulnerability is fixed in...

CVE-2026-39892

cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. From 45.0.0 to before 46.0.7, if a non-contiguous buffer was passed to APIs which accepted Python buffers e.g. Hash.update, this could lead to buffer overflows. This vulnerability is fixed in...

CVE-2026-39892

cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. From 45.0.0 to before 46.0.7, if a non-contiguous buffer was passed to APIs which accepted Python buffers e.g. Hash.update, this could lead to buffer overflows. This vulnerability is fixed in...

CVE-2026-39892 cryptography has a buffer overflow if non-contiguous buffers were passed to APIs

cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. From 45.0.0 to before 46.0.7, if a non-contiguous buffer was passed to APIs which accepted Python buffers e.g. Hash.update, this could lead to buffer overflows. This vulnerability is fixed in...

CVE-2026-39892

cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. From 45.0.0 to before 46.0.7, if a non-contiguous buffer was passed to APIs which accepted Python buffers e.g. Hash.update, this could lead to buffer overflows. This vulnerability is fixed in...