{
  "schema_version": "1.7.0",
  "id": "MGASA-2026-0375",
  "published": "2026-09-04T17:53:22Z",
  "modified": "2026-09-04T16:49:21Z",
  "summary": "Updated mbedtls packages fix security vulnerabilities",
  "details": "TLS 1.3 client accepts HelloRetryRequest selecting an unadvertised\ngroup. (CVE-2026-25832)\nPossible buffer overflow in mbedtls_ecdh_calc_secret(). (CVE-2026-35336)\nX.509 CA bit forgery via invalid basicConstraints extension.\n(CVE-2026-49300)\nUse-after-free in mbedtls_pkcs7_free() when reusing a PKCS7 context.\n(CVE-2026-50579)\nRemote buffer overflow in TLS 1.2 ECDHE-PSK client handshake.\n(CVE-2026-50580)\nExtended master secret calculation failure ignored. (CVE-2026-50581)\nA 1-byte buffer overread when parsing a malformed ECC public key in the\nPK module. (CVE-2026-50583)\nChaCha20 counter overflow can reuse keystream. (CVE-2026-50584)\nIncomplete context reset in mbedtls_ssl_session_reset().\n(CVE-2026-50585)\nA potential information disclosure in TLS 1.2 servers using session\ntickets. If the session ticket write callback failed without setting the\nlifetime output parameter, Mbed TLS could send 4 bytes of uninitialized\nstack memory to the peer in the NewSessionTicket message.\n(CVE-2026-50586)\nTiming side-channel in RSA PKCS#1 v1.5 decryption. (CVE-2026-50587)\nOut-of-bounds read in TLS 1.2 EC J-PAKE ServerKeyExchange parsing.\n(CVE-2026-50588)\nIgnored TLS 1.3 resumption secret derivation error. (CVE-2026-50640)\nHeap corruption with early renegotiation after corrupted record in DTLS.\n(CVE-2026-50713)\nSide channel leak in ECC optimized modp. (CVE-2026-54435)\nSignature algorithm restrictions not enforced on certificate chain.\n(CVE-2026-54441)\nA random generator fault can compromise TLS data integrity.\n(CVE-2026-73064)\n",
  "upstream": [
    "CVE-2026-25832",
    "CVE-2026-35336",
    "CVE-2026-49300",
    "CVE-2026-50579",
    "CVE-2026-50580",
    "CVE-2026-50581",
    "CVE-2026-50583",
    "CVE-2026-50584",
    "CVE-2026-50585",
    "CVE-2026-50586",
    "CVE-2026-50587",
    "CVE-2026-50588",
    "CVE-2026-50640",
    "CVE-2026-50713",
    "CVE-2026-54435",
    "CVE-2026-54441",
    "CVE-2026-73064"
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://advisories.mageia.org/MGASA-2026-0375.html"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.mageia.org/show_bug.cgi?id=35972"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3BALMLPIK3FBKPIGK5RZX3VUWR2QCCGQ/"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Mbed-TLS/mbedtls/releases#release-mbedtls-3.6.7"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "Mageia:10",
        "name": "mbedtls",
        "purl": "pkg:rpm/mageia/mbedtls?arch=source&distro=mageia-10"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.6.7-1.mga10"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "section": "core"
      }
    }
  ],
  "credits": [
    {
      "name": "Mageia",
      "type": "COORDINATOR",
      "contact": [
        "https://wiki.mageia.org/en/Packages_Security_Team"
      ]
    }
  ]
}