{
  "affected": [
    {
      "database_specific": {
        "unresolved_ranges": [
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "2.16-rc0"
              }
            ]
          }
        ]
      }
    }
  ],
  "details": "A Null Pointer Dereference vulnerability existfs in nasm 2.16rc0 via asm/preproc.c.",
  "id": "CVE-2021-45256",
  "modified": "2026-03-13T21:47:56.024303145Z",
  "published": "2021-12-22T17:15:09.170Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugzilla.nasm.us/show_bug.cgi?id=3392789"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}