crypto/x509: Panic in name constraint checking for malformed certificates in crypto/x509

A certificate validation flaw has been discovered in the golang crypto/x509 module. 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 verifyi...

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...

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-2026-27138

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...

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-2026-27138

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-2026-27138

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-2026-27138 Panic in name constraint checking for malformed certificates in crypto/x509

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-2026-27138 Panic in name constraint checking for malformed certificates in crypto/x509

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-2026-27138

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-2026-27138

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-2026-27138

The Go programming language contains a vulnerability where certificate verification can panic when a certificate in the chain has an empty DNS name while another certificate in the chain has excluded name constraints . This flaw exists in the crypto/x509 package and can cause service failures in ...

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...

GO-2026-4600 Panic in name constraint checking for malformed certificates in crypto/x509

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...

Google Go 安全漏洞

Google Go is a static, strongly typed, compiled, concurrent programming language with garbage collection features from the American company Google. There is a security vulnerability in Google Go. This vulnerability arises when a certificate in the chain has an empty DNS name, and another...

CVE-2026-23948

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, a NULL pointer dereference vulnerability in rdpwritelogoninfov2 allows a malicious RDP server to crash FreeRDP proxy by sending a specially crafted LogonInfoV2 PDU with cbDomain=0 or cbUserName=0. This vulnerability...

CVE-2026-23948 FreeRDP has a NULL Pointer Dereference in rdp_write_logon_info_v2()

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, a NULL pointer dereference vulnerability in rdpwritelogoninfov2 allows a malicious RDP server to crash FreeRDP proxy by sending a specially crafted LogonInfoV2 PDU with cbDomain=0 or cbUserName=0. This vulnerability...

CVE-2026-23948

FreeRDP (Remote Desktop Protocol implementation) contains a NULL pointer dereference in rdp_write_logon_info_v2() prior to version 3.22.0. A malicious RDP server can crash the FreeRDP proxy by sending a crafted LogonInfoV2 PDU with cbDomain=0 or cbUserName=0. The issue is fixed in 3.22.0. Affecte...

PT-2026-7125

Name of the Vulnerable Software and Affected Versions FreeRDP versions prior to 3.22.0 Description FreeRDP, a free implementation of the Remote Desktop Protocol, contains a flaw. A NULL pointer dereference exists in the rdp write logon info v2 function. A malicious RDP server can exploit this by...