{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "2.15"
              },
              {
                "last_affected": "2.15.05"
              }
            ]
          },
          "events": [
            {
              "introduced": "a825b33423d5046dfc4c0992c3ebfea5b8a531c4"
            },
            {
              "last_affected": "214f2d4c56925a280c480950bbf71389e2169e1a"
            }
          ],
          "repo": "https://github.com/netwide-assembler/nasm",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "Buffer Overflow in Netwide Assembler (NASM) v2.15.xx allows attackers to cause a denial of service via 'crc64i' in the component 'nasmlib/crc64'. This issue is different than CVE-2019-7147.",
  "id": "CVE-2020-18974",
  "modified": "2026-03-13T21:56:30.983407172Z",
  "published": "2021-08-25T16:15:08.567Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugzilla.nasm.us/show_bug.cgi?id=3392568"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    }
  ]
}