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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Mbed TLS", "repo": "https://github.com/Mbed-TLS/mbedtls", "vendor": "trustedfirmware", "versions": [{"lessThan": "3.6.7", "status": "affected", "version": "3.2.0", "versionType": "semver"}, {"lessThan": "4.1.1", "status": "affected", "version": "4.0.0", "versionType": "semver"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In Mbed TLS 3.2.0 though 3.6.6 and 4.0.0 through 4.1.0, an attacker who can cause an entropy source to fail can remove or inject bytes into the start of the TLS stream. This only affects TLS 1.3 servers."}], "id": "CVE-2026-73064", "lastModified": "2026-09-24T15:17:34.273", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 2.9, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.4, "impactScore": 1.4, "source": "cve@mitre.org", "type": "Secondary"}]}, "published": "2026-09-24T15:17:34.273", "references": [{"source": "cve@mitre.org", "url": "https://github.com/Mbed-TLS/mbedtls"}, {"source": "cve@mitre.org", "url": "https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2026-07-random-generator-fault-tls-integrity/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-394"}], "source": "cve@mitre.org", "type": "Primary"}]}

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