{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.3.0"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "ba463d3c26c0ece2e797b8d6381b161633b5971a"
            }
          ],
          "repo": "https://github.com/yasm/yasm",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "An issue was discovered in yasm version 1.3.0. There is a NULL pointer dereference in expand_mmac_params() in modules/preprocs/nasm/nasm-pp.c.",
  "id": "CVE-2021-33457",
  "modified": "2026-03-13T21:54:41.411180561Z",
  "published": "2022-07-26T13:15:09.417Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/yasm/yasm/issues/171"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}