{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "3.2.0"
              },
              {
                "fixed": "3.6.7"
              },
              {
                "introduced": "4.0.0"
              },
              {
                "fixed": "4.1.1"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "3aef7670b78ddebf80f4ad38b9a0059d40021832"
            },
            {
              "fixed": "068ff080b369adfac81509f9b57b2afabaf82dc5"
            },
            {
              "introduced": "ec4044008d2d069da38288bc76b0fee34ec78646"
            },
            {
              "fixed": "0a8fda272a5a0abef3b47c91bed37185d5a726b1"
            }
          ],
          "repo": "https://github.com/mbed-tls/mbedtls",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "mitre",
    "cwe_ids": [
      "CWE-394"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/73xxx/CVE-2026-73064.json"
  },
  "details": "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",
  "modified": "2026-09-26T03:30:51.461234818Z",
  "published": "2026-09-24T14:58:38.367Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/73xxx/CVE-2026-73064.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2026-07-random-generator-fault-tls-integrity/"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-73064"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/Mbed-TLS/mbedtls"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}