{
  "cveId": "CVE-2022-23408",
  "url": "https://patchblox.com/security/cve/CVE-2022-23408",
  "summary": "CVE-2022-23408 is fixed in wolfssl on 1 platform, first by DEBIAN-CVE-2022-23408, released January 18, 2022. It is not reported as exploited. Patch Radar priority: Urgent.",
  "title": "wolfssl: wolfSSL 5.x before 5.1.1 uses non-random IV values in certain situations",
  "description": "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.",
  "published": "2022-01-18T21:15:07Z",
  "severity": "critical",
  "cvss": 9.1,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
  "epss": 0.01379,
  "epssPercentile": 0.72259,
  "priority": "Urgent",
  "priorityTier": 2,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "wolfssl",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "5.1.1-1",
      "fix": "DEBIAN-CVE-2022-23408",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-23408",
      "released": "2022-01-18T21:15:07Z"
    },
    {
      "platform": "linux",
      "product": "wolfssl",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "5.1.1-1",
      "fix": "DEBIAN-CVE-2022-23408",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-23408",
      "released": "2022-01-18T21:15:07Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}