Mbed TLS 3.6.6

{
  "id": "9d66468295026b99db813fe36794223880d0a0e2a7f8743862226ddea5d5062f",
  "url": "https://github.com/Mbed-TLS/mbedtls/releases/tag/mbedtls-3.6.6",
  "method": "llm",
  "payload": {
    "kind": "patch",
    "title": "Mbed TLS 3.6.6",
    "summary": "Mbed TLS 3.6.6 includes security fixes for TLS session resumption, random-generator state cloning, and multiple cryptographic and memory-safety issues. The release recommends evaluating exposure and prioritizing an upgrade where applicable.",
    "evidence": "This release includes security fixes.",
    "products": [
      {
        "name": {
          "value": "Mbed TLS",
          "evidence": "Mbed TLS 3.6.6"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.6.6",
            "evidence": "Mbed TLS 3.6.6"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "fixed_cves": [],
    "related_cves": [
      {
        "value": "CVE-2026-25833",
        "evidence": "CVE-2026-25833"
      },
      {
        "value": "CVE-2026-25835",
        "evidence": "CVE-2026-25835"
      },
      {
        "value": "CVE-2026-25834",
        "evidence": "CVE-2026-25834"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "github-mbed-tls-mbedtls",
  "document_id": 21727,
  "published_at": "2026-04-01T11:17:37+00:00"
}