CVE-2026-42011

CVE-2026-42011 · Gnutls: gnutls: security bypass due to incorrect name constraint handling

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A flaw was found in gnutls. This vulnerability occurs because permitted name constraints were incorrectly ignored when previous Certificate Authorities (CAs) only had excluded name constraints. A remote attacker could exploit this to bypass critical name constraint checks during certificate validation. This bypass could lead to the acceptance of invalid certificates, potentially enabling spoofing or man-in-the-middle attacks against affected systems.

CVSS 7.4 · Élevée · EPSS 0,5% · Correctif disponible

Publication

2026-05-07T13:51:04.695Z

Mise à jour

2026-10-14T19:25:25.848Z

Pile logicielle: system

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