EUVD-2026-10139

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...

Improper Validation of Certificate with Host Mismatch

Overview org.apache.zookeeper:zookeeper is a centralized service for maintaining configuration information, naming, providing distributed synchronization, and providing group services. Affected versions of this package are vulnerable to Improper Validation of Certificate with Host Mismatch in the...

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...

UBUNTU-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...

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...

CVE-2026-24281

CVE-2026-24281 — Apache ZooKeeper ZKTrustManager reverse DNS fallback . The vulnerability arises when IP SAN validation fails and ZKTrustManager falls back to PTR-based name resolution, enabling attackers who control or spoof PTR records to impersonate ZooKeeper servers or clients with certificat...

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

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-2026-10085

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...

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...

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...

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...

PT-2026-28975

Уязвимость языка программирования Go связана с ошибками процедуры подтверждения подлинности сертификата. Эксплуатация уязвимости позволяет нарушителю, действующему удаленно, оказать воздействие на доступность защищаемой информации...

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...

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...

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...

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...