{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "source": "REFERENCES"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5efe2947ab45e81d84b5f707c51d1c64be52f36c"
            }
          ],
          "repo": "https://github.com/igrr/axtls-8266",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "unresolved_ranges": [
      {
        "cpes": [
          "cpe:2.3:a:axtls_project:axtls:*:*:*:*:*:*:*:*"
        ],
        "extracted_events": [
          {
            "last_affected": "2.1.3"
          }
        ],
        "source": "CPE_RANGE",
        "vendor_product": "axtls_project:axtls"
      }
    ]
  },
  "details": "In sig_verify() in x509.c in axTLS version 2.1.3 and before, the PKCS#1 v1.5 signature verification does not reject excess data after the hash value. Consequently, a remote attacker can forge signatures when small public exponents are being used, which could lead to impersonation through fake X.509 certificates. This is a variant of CVE-2006-4340.",
  "id": "CVE-2018-16150",
  "modified": "2026-07-08T05:37:35.962597643Z",
  "published": "2018-11-07T20:29:00.620Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://sourceforge.net/p/axtls/mailman/message/36459928/"
    },
    {
      "type": "FIX",
      "url": "https://github.com/igrr/axtls-8266/commit/5efe2947ab45e81d84b5f707c51d1c64be52f36c"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}