{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "5.0.0"
              },
              {
                "fixed": "5.1.1"
              }
            ]
          },
          "events": [
            {
              "introduced": "7e01af012157bc20c840011a018619915380f05c"
            },
            {
              "fixed": "c3513bf2573c30f6d2df815de216120e92142020"
            }
          ],
          "repo": "https://github.com/wolfssl/wolfssl",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "wolfSSL 5.x before 5.1.1 uses non-random IV values in certain situations. This affects connections (without AEAD) using AES-CBC or DES3 with TLS 1.1 or 1.2 or DTLS 1.1 or 1.2. This occurs because of misplaced memory initialization in BuildMessage in internal.c.",
  "id": "CVE-2022-23408",
  "modified": "2026-04-01T23:08:37.341087954Z",
  "published": "2022-01-18T21:15:07.863Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/wolfSSL/wolfssl/pull/4710"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/wolfSSL/wolfssl/blob/master/ChangeLog.md#wolfssl-release-511-jan-3rd-2022"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}