EUVD-2026-63166

X.509IF protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service...

CVE-2026-63650

A flaw was found in OpenVPN when using mbedTLS. A remote authenticated user could be misidentified due to the software ignoring the configured X.509 username identity lookup field. This could lead to incorrect user authentication and potential security bypasses...

CVE-2026-57826

An issue was discovered in openHiTLS 0.2.0 through 0.3.2. In the X.509 certificate chain verification, the basic constraints extension and CA flag processing of intermediate CAs are only verified for v3 certificates, and v1/v2 certificates are ignored...

CVE-2026-57826

An issue was discovered in openHiTLS 0.2.0 through 0.3.2. In the X.509 certificate chain verification, the basic constraints extension and CA flag processing of intermediate CAs are only verified for v3 certificates, and v1/v2 certificates are ignored...

CVE-2026-57826

An issue was discovered in openHiTLS 0.2.0 through 0.3.2. In the X.509 certificate chain verification, the basic constraints extension and CA flag processing of intermediate CAs are only verified for v3 certificates, and v1/v2 certificates are ignored...

EUVD-2026-61278

An issue was discovered in openHiTLS 0.2.0 through 0.3.2. In the X.509 certificate chain verification, the basic constraints extension and CA flag processing of intermediate CAs are only verified for v3 certificates, and v1/v2 certificates are ignored...

CVE-2026-57826

An issue was discovered in openHiTLS 0.2.0 through 0.3.2. In the X.509 certificate chain verification, the basic constraints extension and CA flag processing of intermediate CAs are only verified for v3 certificates, and v1/v2 certificates are ignored...

CVE-2026-8763

A flaw was found in Bouncy Castle for Java, a cryptographic library. An attacker can exploit this vulnerability by manipulating rfc822Name and URI fields within X.509 certificates using a trailing dot. This bypasses Name Constraints, potentially leading to spoofing or unauthorized access. Such an...

libreswan: badly formatted X.509 certificate can cause an assertion failure that crashes the daemon process

A flaw was found in Libreswan. An unauthenticated remote attacker can send a specially crafted X.509 certificate payload during an IKEv1 or IKEv2 exchange. This flaw occurs when Libreswan is operating in FIPS Federal Information Processing Standards mode and processing a certificate with an inval...

UBUNTU-CVE-2026-63650

OpenVPN 2.7alpha1 through 2.7.5 using mbedTLS allows remote authenticated users to be misidentified by ignoring the configured X.509 username identity lookup field...

Linux Distros Unpatched Vulnerability : CVE-2026-63650

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - OpenVPN 2.7alpha1 through 2.7.5 using mbedTLS allows remote authenticated users to be misidentified by ignoring the configured X.509 username identity lookup...

EUVD-2026-58813

OpenVPN 2.7alpha1 through 2.7.5 using mbedTLS allows remote authenticated users to be misidentified by ignoring the configured X.509 username identity lookup field...

DEBIAN-CVE-2026-63650

OpenVPN 2.7alpha1 through 2.7.5 using mbedTLS allows remote authenticated users to be misidentified by ignoring the configured X.509 username identity lookup field...

CVE-2026-63650

OpenVPN 2.7alpha1 through 2.7.5 using mbedTLS allows remote authenticated users to be misidentified by ignoring the configured X.509 username identity lookup field...

CVE-2026-63650

OpenVPN 2.7_alpha1 through 2.7.5 with mbedTLS is affected by a misidentification issue where remote authenticated users can be misidentified due to ignoring the configured X.509 username identity lookup field. The vulnerability affects OpenVPN components from the specified 2.7 alpha to 2.7.5 rang...

CVE-2026-63650

OpenVPN 2.7alpha1 through 2.7.5 using mbedTLS allows remote authenticated users to be misidentified by ignoring the configured X.509 username identity lookup field...

CVE-2026-63650

OpenVPN 2.7alpha1 through 2.7.5 using mbedTLS allows remote authenticated users to be misidentified by ignoring the configured X.509 username identity lookup field...

GO-2026-5289 vulnerabilities

Vulnerabilities for packages: cert-manager-istio-csr-fips, cert-manager-istio-csr...

PT-2026-72124

Name of the Vulnerable Software and Affected Versions OpenVPN versions 2.7 alpha1 through 2.7.5 Description When using mbedTLS, remote authenticated users can be misidentified because the system ignores the configured X.509 username identity lookup field. X.509 is a standard for public key...

Linux Distros Unpatched Vulnerability : CVE-2026-15554

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - the Undertow AJP listener honours forged sslcert and isssl AJP attributes without requiring any shared- secret authentication. This enables an unauthenticated...