{
  "affected": [
    {
      "database_specific": {
        "unresolved_ranges": [
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "2.1.3"
              }
            ]
          }
        ]
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5efe2947ab45e81d84b5f707c51d1c64be52f36c"
            }
          ],
          "repo": "https://github.com/igrr/axtls-8266",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5efe2947ab45e81d84b5f707c51d1c64be52f36c"
            }
          ],
          "repo": "https://github.com/igrr/axtls-8266",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "In sig_verify() in x509.c in axTLS version 2.1.3 and before, the PKCS#1 v1.5 signature verification blindly trusts the declared lengths in the ASN.1 structure. Consequently, when small public exponents are being used, a remote attacker can generate purposefully crafted signatures (and put them on X.509 certificates) to induce illegal memory access and crash the verifier.",
  "id": "CVE-2018-16149",
  "modified": "2026-03-13T21:55:41.695125396Z",
  "published": "2018-11-07T20:29:00.557Z",
  "references": [
    {
      "type": "FIX",
      "url": "https://github.com/igrr/axtls-8266/commit/5efe2947ab45e81d84b5f707c51d1c64be52f36c"
    },
    {
      "type": "FIX",
      "url": "https://sourceforge.net/p/axtls/mailman/message/36459928/"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}