Cockpit Web Console < 360 - Remote Code Execution

Cockpit's remote login feature passes user-supplied hostnames and usernames from the web interface to the SSH client without validation or sanitization. An attacker with network access to the Cockpit web service can craft a single HTTP request to the login endpoint that injects malicious SSH...

SUSE CVE-2026-27145

x509.Certificate.VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative Name SAN entries. This caused strings.Splithost, "." to execute repeatedly on the same input hostname. With a large DNS SAN list, verification costs scaled quadratically based on the number...

CVE-2026-44393

Summary: OpenStack oslo.messaging (RabbitMQ driver) versions 1.0.0–17.3.0 fail TLS hostname verification when connecting to the broker. The driver validates certificate chains when ssl_ca_file is configured but does not pass the broker hostname into the TLS stack, allowing any certificate signed ...

Golang 1.25.x < 1.25.11 / 1.26.x < 1.26.4 Multiple Vulnerabilities

The version of Golang running on the remote host is 1.25.x prior to 1.25.11, or 1.26.x prior to 1.26.4. It is, therefore, affected by multiple vulnerabilities: - x509.Certificate.VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative Name SAN entries. This caus...

CVE-2026-44393

An issue was discovered in OpenStack oslo.messaging 1.0.0 through 17.3.0. The oslo.messaging RabbitMQ driver does not perform TLS hostname verification when connecting to the message broker. When sslcafile is configured, the driver enables certificate chain validation but does not pass the expect...

CVE-2026-44393

An issue was discovered in OpenStack oslo.messaging 1.0.0 through 17.3.0. The oslo.messaging RabbitMQ driver does not perform TLS hostname verification when connecting to the message broker. When sslcafile is configured, the driver enables certificate chain validation but does not pass the expect...

EUVD-2026-34294

An issue was discovered in OpenStack oslo.messaging 1.0.0 through 17.3.0. The oslo.messaging RabbitMQ driver does not perform TLS hostname verification when connecting to the message broker. When sslcafile is configured, the driver enables certificate chain validation but does not pass the expect...

PT-2026-46260

An issue was discovered in OpenStack oslo.messaging 1.0.0 through 17.3.0. The oslo.messaging RabbitMQ driver does not perform TLS hostname verification when connecting to the message broker. When ssl ca file is configured, the driver enables certificate chain validation but does not pass the...

CVE-2026-44393

An issue was discovered in OpenStack oslo.messaging 1.0.0 through 17.3.0. The oslo.messaging RabbitMQ driver does not perform TLS hostname verification when connecting to the message broker. When sslcafile is configured, the driver enables certificate chain validation but does not pass the expect...

EUVD-2026-34038

x509.Certificate.VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative Name SAN entries. This caused strings.Splithost, "." to execute repeatedly on the same input hostname. With a large DNS SAN list, verification costs scaled quadratically based on the number...

Linux Distros Unpatched Vulnerability : CVE-2026-27145

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - x509.Certificate.VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative Name SAN entries. This caused strings.Splithost, . t...

UBUNTU-CVE-2026-27145

x509.Certificate.VerifyHostname previously called matchHostnames in...

Linux Distros Unpatched Vulnerability : CVE-2026-35563

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - It was identified that the LDAP client implementation in version 2.1.7 does not verify if the server certificate matches the intended LDAP hostname. While the...

DEBIAN-CVE-2026-27145

x509.Certificate.VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative Name SAN entries. This caused strings.Splithost, "." to execute repeatedly on the same input hostname. With a large DNS SAN list, verification costs scaled quadratically based on the number...

CVE-2026-27145

x509.Certificate.VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative Name SAN entries. This caused strings.Splithost, "." to execute repeatedly on the same input hostname. With a large DNS SAN list, verification costs scaled quadratically based on the number...

CVE-2026-27145

x509.Certificate.VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative Name SAN entries. This caused strings.Splithost, "." to execute repeatedly on the same input hostname. With a large DNS SAN list, verification costs scaled quadratically based on the number...

CVE-2026-27145

The CVE-2026-27145 issue affects the Go standard library’s crypto/x509 VerifyHostname path, where VerifyHostname previously calls matchHostnames in a loop over all DNS SAN entries. This design causes strings.Split(host, ".") to run repeatedly on the same input, leading to a quadratic increase in ...

CVE-2026-27145

x509.Certificate.VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative Name SAN entries. This caused strings.Splithost, "." to execute repeatedly on the same input hostname. With a large DNS SAN list, verification costs scaled quadratically based on the number...

CVE-2026-27145 Inefficient candidate hostname parsing in crypto/x509

x509.Certificate.VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative Name SAN entries. This caused strings.Splithost, "." to execute repeatedly on the same input hostname. With a large DNS SAN list, verification costs scaled quadratically based on the number...

Allocation of Resources Without Limits or Throttling

Overview std/crypto/x509 is a Go standard library package std/crypto/x509 Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling. Go Vulnerability Report: x509.Certificate.VerifyHostname previously called matchHostnames in a loop over all DNS...