CVE-2026-106017

Improper certificate validation in the OpenVPN 3 Core library version 3.4 through 3.11.7 allows attackers to circumvent extended key usage restrictions...

EUVD-2026-108107

Improper certificate validation in the OpenVPN 3 Core library version 3.4 through 3.11.7 allows attackers to circumvent extended key usage restrictions...

CVE-2026-106017

The OpenVPN 3 Core library (versions 3.4 through 3.11.7 ) is vulnerable to improper certificate validation (CWE-295). This flaw allows an attacker to circumvent extended key usage restrictions . The vulnerability carries a HIGH base severity score of 8.9. No specific exploit details or remediatio...

CVE-2026-106017

Improper certificate validation in the OpenVPN 3 Core library version 3.4 through 3.11.7 allows attackers to circumvent extended key usage restrictions...

SUSE CVE-2026-67693

An issue in gnutls v.3.8.13 allows an attacker to obtain sensitive information via failing to reject end-entity X.509 certificates that contain a contradictory combination of Key Usage KU and Extended Key Usage EKU...

CVE-2026-67693

A flaw was found in GnuTLS. The certificate verification process fails to properly reject end-entity digital certificates containing contradictory Key Usage KU and Extended Key Usage EKU extensions, which define the permitted cryptographic operations of a certificate. A remote attacker could...

DEBIAN-CVE-2026-67693

An issue in gnutls v.3.8.13 allows an attacker to obtain sensitive information via failing to reject end-entity X.509 certificates that contain a contradictory combination of Key Usage KU and Extended Key Usage EKU...

AZL-107448 CVE-2026-67693 affecting package gnutls 3.8.13-1

An issue in gnutls v.3.8.13 allows an attacker to obtain sensitive information via failing to reject end-entity X.509 certificates that contain a contradictory combination of Key Usage KU and Extended Key Usage EKU...

CVE-2026-67693

An issue in gnutls v.3.8.13 allows an attacker to obtain sensitive information via failing to reject end-entity X.509 certificates that contain a contradictory combination of Key Usage KU and Extended Key Usage EKU...

UBUNTU-CVE-2026-67693

An issue in gnutls v.3.8.13 allows an attacker to obtain sensitive information via failing to reject end-entity X.509 certificates that contain a contradictory combination of Key Usage KU and Extended Key Usage EKU...

CVE-2026-67693

An issue in gnutls v.3.8.13 allows an attacker to obtain sensitive information via failing to reject end-entity X.509 certificates that contain a contradictory combination of Key Usage KU and Extended Key Usage EKU...

CVE-2026-67693

A flaw in gnutls v.3.8.13 allows a remote attacker to obtain sensitive information by presenting a specially crafted end-entity X.509 certificate. The vulnerability stems from the software's failure to reject certificates containing contradictory Key Usage (KU) and Extended Key Usage (EKU) extens...

CVE-2026-67693

An issue in gnutls v.3.8.13 allows an attacker to obtain sensitive information via failing to reject end-entity X.509 certificates that contain a contradictory combination of Key Usage KU and Extended Key Usage EKU...

CVE-2026-67693

An issue in gnutls v.3.8.13 allows an attacker to obtain sensitive information via failing to reject end-entity X.509 certificates that contain a contradictory combination of Key Usage KU and Extended Key Usage EKU...

PT-2026-108158

Name of the Vulnerable Software and Affected Versions gnutls version 3.8.13 Description An issue exists where the software fails to reject end-entity X.509 certificates that contain a contradictory combination of Key Usage KU and Extended Key Usage EKU, which could allow an attacker to obtain...

EUVD-2026-95206

An issue in gnutls v.3.8.13 allows an attacker to obtain sensitive information via failing to reject end-entity X.509 certificates that contain a contradictory combination of Key Usage KU and Extended Key Usage EKU...

Improper Certificate Validation

Overview Affected versions of this package are vulnerable to Improper Certificate Validation due to improper handling of contradictory Key Usage and Extended Key Usage extensions during the certificate verification process. An attacker can gain unauthorized access to sensitive information by...

CVE-2026-67693

An issue in gnutls v.3.8.13 allows an attacker to obtain sensitive information via failing to reject end-entity X.509 certificates that contain a contradictory combination of Key Usage KU and Extended Key Usage EKU...

CVE-2026-86881

A certificate validation issue in Apple products allows an attacker with a compromised intermediate certificate authority to issue certificates with arbitrary extended key usages . This vulnerability affects iOS 26.7, iPadOS 26.7, iOS 27, iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS...

CVE-2026-86881

A certificate validation issue was addressed with improved certificate validation. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. An attacker with a compromised intermediate...