CVE-2026-27138: fallo de gravedad media en Go standard library crypto/x509
Panic in name constraint checking for malformed certificates in crypto/x509
Publicada el · Actualizada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
13Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 5.9epss 0.4%
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.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Productos afectados
Go standard library · crypto/x509CVEs relacionadas — Go standard library crypto/x509
En el mismo producto, de las más peligrosas a las menos.
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