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CVE-2026-42012

gnutls

Descrição

A flaw was found in gnutls. A remote attacker could exploit this vulnerability by presenting a specially crafted certificate that contains Uniform Resource Identifier (URI) or Service (SRV) Subject Alternative Names (SANs). This could cause the certificate validation process to incorrectly fall back to checking DNS hostnames against the Common Name (CN), potentially allowing the attacker to spoof legitimate services or intercept sensitive information.

CVSS 7.1EPSS 0.35400000000000004%Risco 0.73
Ver fonte
Publicação
2026-05-26 22:16:41
Versões afetadas
unknown
Tipo
Package
Última alteração
2026-07-24 11:10:00
Vetor
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N