CVE-2026-24281

Hostname verification in Apache ZooKeeper ZKTrustManager falls back to reverse DNS PTR when IP SAN validation fails, allowing attackers who control or spoof PTR records to impersonate ZooKeeper servers or clients with a valid certificate for the PTR name. It's important to note that attacker must...

CVE-2026-24281 Apache ZooKeeper: Reverse-DNS fallback enables hostname verification bypass in ZooKeeper ZKTrustManager

Hostname verification in Apache ZooKeeper ZKTrustManager falls back to reverse DNS PTR when IP SAN validation fails, allowing attackers who control or spoof PTR records to impersonate ZooKeeper servers or clients with a valid certificate for the PTR name. It's important to note that attacker must...

EUVD-2026-10086

Certificate verification can panic when a certificate in the chain has an empty DNS name and another certificate in the chain has excluded name constraints. This can crash programs that are either directly verifying X.509 certificate chains, or those that use TLS...

EUVD-2026-10085

When verifying a certificate chain which contains a certificate containing multiple email address constraints which share common local portions but different domain portions, these constraints will not be properly applied, and only the last constraint will be considered...

SUSE CVE-2026-27137

When verifying a certificate chain which contains a certificate containing multiple email address constraints which share common local portions but different domain portions, these constraints will not be properly applied, and only the last constraint will be considered...

SUSE CVE-2026-27138

Certificate verification can panic when a certificate in the chain has an empty DNS name and another certificate in the chain has excluded name constraints. This can crash programs that are either directly verifying X.509 certificate chains, or those that use TLS...

SUSE SLES16 Security Update : go1.24-openssl (SUSE-SU-2026:20629-1)

The remote SUSE Linux SLES16 / SLESSAP16 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:20629-1 advisory. - Update to version 1.24.13 jscSLE-18320 - CVE-2025-58189: crypto/tls: ALPN negotiation error contains attacker controlled...

Linux Distros Unpatched Vulnerability : CVE-2026-27137

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - When verifying a certificate chain which contains a certificate containing multiple email address constraints which share common local portions but different...

RockyLinux 10 : delve (RLSA-2026:3864)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:3864 advisory. crypto/x509: golang: Denial of Service due to excessive resource consumption via crafted certificate CVE-2025-61729 golang: net/url: Memory exhaustion i...

Linux Distros Unpatched Vulnerability : CVE-2026-27138

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Certificate verification can panic when a certificate in the chain has an empty DNS name and another certificate in the chain has excluded name constraints. Thi...

DEBIAN-CVE-2026-27138

Certificate verification can panic when a certificate in the chain has an empty DNS name and another certificate in the chain has excluded name constraints. This can crash programs that are either directly verifying X.509 certificate chains, or those that use TLS...

CVE-2026-27137

When verifying a certificate chain which contains a certificate containing multiple email address constraints which share common local portions but different domain portions, these constraints will not be properly applied, and only the last constraint will be considered...

AZL-79625 CVE-2026-27138 affecting package golang for versions less than 1.26.1-1

Certificate verification can panic when a certificate in the chain has an empty DNS name and another certificate in the chain has excluded name constraints. This can crash programs that are either directly verifying X.509 certificate chains, or those that use TLS...

UBUNTU-CVE-2026-27138

Certificate verification can panic when a certificate in the chain has an empty DNS name and another certificate in the chain has excluded name constraints. This can crash programs that are either directly verifying X.509 certificate chains, or those that use TLS...

AZL-79610 CVE-2026-27138 affecting package golang for versions less than 1.25.8-1

Certificate verification can panic when a certificate in the chain has an empty DNS name and another certificate in the chain has excluded name constraints. This can crash programs that are either directly verifying X.509 certificate chains, or those that use TLS...

CVE-2026-27137

When verifying a certificate chain which contains a certificate containing multiple email address constraints which share common local portions but different domain portions, these constraints will not be properly applied, and only the last constraint will be considered...

DEBIAN-CVE-2026-27137

When verifying a certificate chain which contains a certificate containing multiple email address constraints which share common local portions but different domain portions, these constraints will not be properly applied, and only the last constraint will be considered...

AZL-79628 CVE-2026-27137 affecting package golang for versions less than 1.26.1-1

When verifying a certificate chain which contains a certificate containing multiple email address constraints which share common local portions but different domain portions, these constraints will not be properly applied, and only the last constraint will be considered...

AZL-79613 CVE-2026-27137 affecting package golang 1.25.7-1

When verifying a certificate chain which contains a certificate containing multiple email address constraints which share common local portions but different domain portions, these constraints will not be properly applied, and only the last constraint will be considered...

CVE-2026-27138

Certificate verification can panic when a certificate in the chain has an empty DNS name and another certificate in the chain has excluded name constraints. This can crash programs that are either directly verifying X.509 certificate chains, or those that use TLS...