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THREAT OPS › Threat News › [NVD] CVE-2026-42012 (HIGH 7.1) — 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 i

[NVD] CVE-2026-42012 (HIGH 7.1) — 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 i

lownvdPublished 2026-05-26

CVE-2026-42012 CVSS: 7.1 HIGH Published: 2026-05-26T22:16:41.913

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

Indicators of compromise

CVE-2026-42012cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-42012