https://vulnerability.circl.lu/rss/recent/all/10 Most recent entries from all 2026-09-28T23:34:03.004140+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent entries. https://vulnerability.circl.lu/vuln/cve-2026-27138 CVE-2026-27138 — Panic in name constraint checking for malformed certificates in crypto/x509 2026-09-28T23:34:03.030745+00:00

Affected: Go standard library 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.