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CVE-2026-42013

gnutls

Descrição

A flaw was found in gnutls. When validating certificates, an oversized Subject Alternative Name (SAN) could cause the validation process to incorrectly fall back to checking the Common Name (CN) field. This could allow a remote attacker to bypass proper certificate validation, potentially leading to spoofing or man-in-the-middle attacks.

CVSS 8.2EPSS 0.42300000000000004%Risco 0.85
Ver fonte
Publicação
2026-05-26 22:16:42
Versões afetadas
unknown
Tipo
Package
Última alteração
2026-07-24 11:10:00
Vetor
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N