Security Bulletin: IBM App Connect Enterprise Certified Container operator and IntegrationRuntime & IntegrationServer operands are vulnerable to loss of confidentiality (CVE-2026-27137) and denial of service (CVE-2026-27138)

Summary IBM App Connect Enterprise Certified Container operator and IntegrationRuntime & IntegrationServer operands are vulnerable to loss of confidentiality CVE-2026-27137 and denial of service CVE-2026-27138. This bulletin provides patch information to address the reported vulnerability in Gola...

PT-2026-24606

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...

Verify panics on certificates with an unknown public key algorithm in crypto/x509

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OESA-2025-1184 etcd security update

%expand: Security Fixes: A malicious HTTP sender can use chunk extensions to cause a receiver reading from a request or response body to read many more bytes from the network than are in the body. A malicious HTTP client can further exploit this to cause a server to automatically read a large...

golang: crypto/x509: Verify panics on certificates with an unknown public key algorithm

A flaw was found in Go's crypto/x509 standard library package. Verifying a certificate chain that contains a certificate with an unknown public key algorithm will cause a Certificate.Verify to panic. This issue affects all crypto/tls clients and servers that set Config.ClientAuth to...

golang: crypto/x509: Verify panics on certificates with an unknown public key algorithm

A flaw was found in Go's crypto/x509 standard library package. Verifying a certificate chain that contains a certificate with an unknown public key algorithm will cause a Certificate.Verify to panic. This issue affects all crypto/tls clients and servers that set Config.ClientAuth to...

golang: crypto/x509: Verify panics on certificates with an unknown public key algorithm

A flaw was found in Go's crypto/x509 standard library package. Verifying a certificate chain that contains a certificate with an unknown public key algorithm will cause a Certificate.Verify to panic. This issue affects all crypto/tls clients and servers that set Config.ClientAuth to...

golang: crypto/x509: Verify panics on certificates with an unknown public key algorithm

A flaw was found in Go's crypto/x509 standard library package. Verifying a certificate chain that contains a certificate with an unknown public key algorithm will cause a Certificate.Verify to panic. This issue affects all crypto/tls clients and servers that set Config.ClientAuth to...

golang: crypto/x509: Verify panics on certificates with an unknown public key algorithm

A flaw was found in Go's crypto/x509 standard library package. Verifying a certificate chain that contains a certificate with an unknown public key algorithm will cause a Certificate.Verify to panic. This issue affects all crypto/tls clients and servers that set Config.ClientAuth to...