CVE-2026-93601

A flaw was found in rustls-webpki. This component incorrectly processes DNS Domain Name System name constraints for certificates asserting a wildcard name. This could allow a misissued wildcard certificate to be accepted for a domain that should be outside its permitted scope. Consequently, this...

SUSE CVE-2026-93601

rustls-webpki the Rust webpki fork used by rustls versions = 0.101.0 and prior to 0.103.12 and 0.104.0-alpha.6 incorrectly accepted permitted-subtree DNS name constraints for certificates asserting a wildcard name. For example, a name constraint of accept.example.com was treated as satisfied by a...

Linux Distros Unpatched Vulnerability : CVE-2026-93601

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - rustls-webpki the Rust webpki fork used by rustls versions = 0.101.0 and prior to 0.103.12 and 0.104.0-alpha.6 incorrectly accepted permitted-subtree DNS name...

AZL-103460 CVE-2026-93601 affecting package kata-containers-cc 3.15.0.aks0-21

rustls-webpki the Rust webpki fork used by rustls versions = 0.101.0 and prior to 0.103.12 and 0.104.0-alpha.6 incorrectly accepted permitted-subtree DNS name constraints for certificates asserting a wildcard name. For example, a name constraint of accept.example.com was treated as satisfied by a...

AZL-103500 CVE-2026-93601 affecting package rust 1.75.0-31

rustls-webpki the Rust webpki fork used by rustls versions = 0.101.0 and prior to 0.103.12 and 0.104.0-alpha.6 incorrectly accepted permitted-subtree DNS name constraints for certificates asserting a wildcard name. For example, a name constraint of accept.example.com was treated as satisfied by a...

CVE-2026-93601

rustls-webpki the Rust webpki fork used by rustls versions = 0.101.0 and prior to 0.103.12 and 0.104.0-alpha.6 incorrectly accepted permitted-subtree DNS name constraints for certificates asserting a wildcard name. For example, a name constraint of accept.example.com was treated as satisfied by a...

AZL-103521 CVE-2026-93601 affecting package rust-afterburn 5.8.2-2

rustls-webpki the Rust webpki fork used by rustls versions = 0.101.0 and prior to 0.103.12 and 0.104.0-alpha.6 incorrectly accepted permitted-subtree DNS name constraints for certificates asserting a wildcard name. For example, a name constraint of accept.example.com was treated as satisfied by a...

AZL-103509 CVE-2026-93601 affecting package rust 1.96.1-2

rustls-webpki the Rust webpki fork used by rustls versions = 0.101.0 and prior to 0.103.12 and 0.104.0-alpha.6 incorrectly accepted permitted-subtree DNS name constraints for certificates asserting a wildcard name. For example, a name constraint of accept.example.com was treated as satisfied by a...

CVE-2026-93601

rustls-webpki the Rust webpki fork used by rustls versions = 0.101.0 and prior to 0.103.12 and 0.104.0-alpha.6 incorrectly accepted permitted-subtree DNS name constraints for certificates asserting a wildcard name. For example, a name constraint of accept.example.com was treated as satisfied by a...

PT-2026-99974

rustls-webpki the Rust webpki fork used by rustls versions = 0.101.0 and prior to 0.103.12 and 0.104.0-alpha.6 incorrectly accepted permitted-subtree DNS name constraints for certificates asserting a wildcard name. For example, a name constraint of accept.example.com was treated as satisfied by a...

CVE-2026-93601: Improper Certificate Validation

rustls-webpki the Rust webpki fork used by rustls versions = 0.101.0 and prior to 0.103.12 and 0.104.0-alpha.6 incorrectly accepted permitted-subtree DNS name constraints for certificates asserting a wildcard name. For example, a name constraint of accept.example.com was treated as satisfied by a...

PT-2026-99977

rustls-webpki the Rust webpki fork used by rustls versions = 0.101.0 and prior to 0.103.12 and 0.104.0-alpha.6 incorrectly accepted permitted-subtree DNS name constraints for certificates asserting a wildcard name. For example, a name constraint of accept.example.com was treated as satisfied by a...

PT-2026-99981

rustls-webpki the Rust webpki fork used by rustls versions = 0.101.0 and prior to 0.103.12 and 0.104.0-alpha.6 incorrectly accepted permitted-subtree DNS name constraints for certificates asserting a wildcard name. For example, a name constraint of accept.example.com was treated as satisfied by a...

Security Bulletin:DNS Name Constraints Validation Issue Fixed in cryptography v46.0.6

Summary cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Prior to version 46.0.6, DNS name constraints were only validated against SANs within child certificates, and not the "peer name" presented during each validation. Consequently,...

Linux Distros Unpatched Vulnerability : CVE-2026-6731

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - X.509 name constraint bypass via the Subject Common Name when treated as a DNS-type name. A certificate whose Subject CN violates an issuing CA's DNS name...

CVE-2026-6731

X.509 name constraint bypass via the Subject Common Name when treated as a DNS-type name. A certificate whose Subject CN violates an issuing CA's DNS name constraints could be accepted...

CVE-2026-6731

CVE-2026-6731 describes an X.509 name constraint bypass where the Subject CN is treated as a DNS-type name, allowing a certificate to pass DNS constraints if the CN violates them. Public sources (NVD and related feeds) reference this bypass and provide CVSS metrics (v3.1: 7.5, Network, High impac...

Security Bulletin: Multiple Vulnerabilities in cryptography bundled with IBM Fusion, IBM Fusion HCI, IBM Fusion Data Cataloging, and IBM Fusion Content-Aware Storage

Summary IBM Fusion, IBM Fusion HCI, IBM Fusion Data Cataloging, and IBM Fusion Content-Aware Storage include the cryptography library, which is vulnerable to a critical buffer overflow and an improper certificate validation flaw. A classic buffer overflow vulnerability exists when non-contiguous...

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...

PT-2026-44041

Name of the Vulnerable Software and Affected Versions Erlang OTP versions 19.3 through 26.2.5.20 Erlang OTP versions 26.2.5.21 through 27.3.4.11 Erlang OTP versions 27.3.4.12 through 28.5.0.0 Erlang OTP versions 28.5.0.1 through 29.0.0 public key versions 1.4 through 1.15.1.6 public key versions...