{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:tortall:yasm:1.3.0:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "1.3.0"
              },
              {
                "last_affected": "1.3.0"
              }
            ],
            "source": "CPE_STRING"
          },
          "events": [
            {
              "introduced": "ba463d3c26c0ece2e797b8d6381b161633b5971a"
            },
            {
              "last_affected": "ba463d3c26c0ece2e797b8d6381b161633b5971a"
            }
          ],
          "repo": "https://github.com/yasm/yasm",
          "type": "GIT"
        }
      ],
      "versions": [
        "1.3.0"
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "mitre",
    "isDisputed": true,
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/31xxx/CVE-2023-31974.json"
  },
  "details": "yasm v1.3.0 was discovered to contain a use after free via the function error at /nasm/nasm-pp.c. Note: Multiple third parties dispute this as a bug and not a vulnerability according to the YASM security policy.",
  "id": "CVE-2023-31974",
  "modified": "2026-07-08T05:36:50.749427824Z",
  "published": "2023-05-09T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/31xxx/CVE-2023-31974.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-31974"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/yasm/yasm/issues/208"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}