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Esta vulnerabilidad permite una denegaci\u00f3n de servicio (DoS) mediante un consumo excesivo de CPU (Unidad Central de Procesamiento) y memoria a trav\u00e9s de certificados maliciosos especialmente dise\u00f1ados que contienen un gran n\u00famero de restricciones de nombre y nombres alternativos del sujeto (SANs)."}], "id": "CVE-2025-14831", "lastModified": "2026-10-14T20:17:25.107", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "secalert@redhat.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-14831", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-02-09T15:25:49.680881Z", "version": "2.0.3"}}]}, "published": "2026-02-09T15:16:09.937", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:13812"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:16008"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:16009"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:16174"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:25096"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:30849"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:30850"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:33125"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:3477"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:4188"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:4655"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:4943"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:5585"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:5606"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:6618"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:6630"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:6737"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:6738"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:7329"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:7335"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:7477"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:82347"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:82354"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:82372"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:82857"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:8746"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:8747"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:8748"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/security/cve/CVE-2025-14831"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2423177"}, {"source": "secalert@redhat.com", "url": "https://gitlab.com/gnutls/gnutls/-/issues/1773"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-032379.html"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-407"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{"bugzilla": {"description": "gnutls: GnuTLS: Denial of Service via excessive resource consumption during certificate verification", "id": "2423177", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2423177"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-407", "details": ["A flaw was found in GnuTLS. This vulnerability allows a denial of service (DoS) by excessive CPU (Central Processing Unit) and memory consumption via specially crafted malicious certificates containing a large number of name constraints and subject alternative names (SANs)."], "name": "CVE-2025-14831", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "gnutls", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Affected", "package_name": "gnutls", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "gnutls", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "gnutls", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "gnutls", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "rhcos", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-02-09T14:26:34Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-14831\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-14831"], "statement": "This vulnerability is rated Moderate for Red Hat. GnuTLS is susceptible to a denial of service attack due to excessive CPU and memory consumption. This occurs when processing specially crafted malicious certificates containing a large number of name constraints and subject alternative names (SANs) during certificate verification.", "threat_severity": "Moderate"}