Astra Linux – Vulnerability in python-cryptography

Cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Prior to version 46.0.5, the publickeyfromnumbers or EllipticCurvePublicNumbers.publickey, EllipticCurvePublicNumbers.publickey, loadderpublickey, and loadpempublickey functions did not verify...

RHEL 9 : fence-agents (RHSA-2026:22330)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:22330 advisory. The fence-agents packages provide a collection of scripts for handling remote power management for cluster devices. They allow failed or...

cryptography: cryptography Subgroup Attack Due to Missing Subgroup Validation for SECT Curves

A validation flaw has been discovered in the python cryptography package. This missing validation allows an attacker to provide a public key point P from a small-order subgroup. This can lead to security issues in various situations, such as the most commonly used signature verification ECDSA and...

cryptography: cryptography Subgroup Attack Due to Missing Subgroup Validation for SECT Curves

A validation flaw has been discovered in the python cryptography package. This missing validation allows an attacker to provide a public key point P from a small-order subgroup. This can lead to security issues in various situations, such as the most commonly used signature verification ECDSA and...

RHEL 9 : fence-agents (RHSA-2026:21431)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:21431 advisory. The fence-agents packages provide a collection of scripts for handling remote power management for cluster devices. They allow failed or...

cryptography: cryptography Subgroup Attack Due to Missing Subgroup Validation for SECT Curves

A validation flaw has been discovered in the python cryptography package. This missing validation allows an attacker to provide a public key point P from a small-order subgroup. This can lead to security issues in various situations, such as the most commonly used signature verification ECDSA and...

cryptography: cryptography Subgroup Attack Due to Missing Subgroup Validation for SECT Curves

A validation flaw has been discovered in the python cryptography package. This missing validation allows an attacker to provide a public key point P from a small-order subgroup. This can lead to security issues in various situations, such as the most commonly used signature verification ECDSA and...

RockyLinux 9 : fence-agents (RLSA-2026:13672)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:13672 advisory. cryptography: cryptography Subgroup Attack Due to Missing Subgroup Validation for SECT Curves CVE-2026-26007 pyjwt: PyJWT accepts unknown crit header...

Important: Red Hat Security Advisory: fence-agents security update

An update for fence-agents is now available for Red Hat Enterprise Linux 9. 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...

cryptography: cryptography Subgroup Attack Due to Missing Subgroup Validation for SECT Curves

A validation flaw has been discovered in the python cryptography package. This missing validation allows an attacker to provide a public key point P from a small-order subgroup. This can lead to security issues in various situations, such as the most commonly used signature verification ECDSA and...

cryptography: cryptography Subgroup Attack Due to Missing Subgroup Validation for SECT Curves

A validation flaw has been discovered in the python cryptography package. This missing validation allows an attacker to provide a public key point P from a small-order subgroup. This can lead to security issues in various situations, such as the most commonly used signature verification ECDSA and...

USN-8087-3 python-cryptography vulnerability

USN-8087-1 fixed a vulnerability in python-cryptography. This update provides the corresponding update to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. Original advisory details: It was discovered that python-cryptography incorrectly handled subgroup validation for SECT curves. A remo...

USN-8087-3: python-cryptography vulnerability

USN-8087-1 fixed a vulnerability in python-cryptography. This update provides the corresponding update to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. Original advisory details: It was discovered that python-cryptography incorrectly handled subgroup validation for SECT curves. A remo...

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...

OESA-2026-1672 python-cryptography security update

cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Security Fixes: This vulnerability exists in the pyca cryptography library due to missing subgroup validation for SECT curves. An attacker could exploit this to perform subgroup attacks,...

OESA-2026-1671 python-cryptography security update

cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Security Fixes: This vulnerability exists in the pyca cryptography library due to missing subgroup validation for SECT curves. An attacker could exploit this to perform subgroup attacks,...

OESA-2026-1670 python-cryptography security update

cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Security Fixes: This vulnerability exists in the pyca cryptography library due to missing subgroup validation for SECT curves. An attacker could exploit this to perform subgroup attacks,...

OESA-2026-1669 python-cryptography security update

cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Security Fixes: This vulnerability exists in the pyca cryptography library due to missing subgroup validation for SECT curves. An attacker could exploit this to perform subgroup attacks,...

USN-8087-2 python-cryptography regression

USN-8087-1 fixed a vulnerability in python-cryptography. The update caused a regression when using ECC algorithms with certain software. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that python-cryptography incorrectly handled...

USN-8087-2: python-cryptography regression

USN-8087-1 fixed a vulnerability in python-cryptography. The update caused a regression when using ECC algorithms with certain software. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that python-cryptography incorrectly handled...