{
  "affected": [
    {
      "database_specific": {
        "unresolved_ranges": [
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.3.0.55.g101bc"
              }
            ]
          }
        ]
      }
    }
  ],
  "details": "yasm 1.3.0.55.g101bc was discovered to contain a heap-use-after-free via the function expand_mmac_params at yasm/modules/preprocs/nasm/nasm-pp.c.",
  "id": "CVE-2023-31725",
  "modified": "2026-03-13T21:55:48.659689599Z",
  "published": "2023-05-17T15:15:08.957Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://github.com/yasm/yasm/issues/221"
    },
    {
      "type": "EVIDENCE",
      "url": "https://github.com/DaisyPo/fuzzing-vulncollect/tree/main/yasm/heap-use-after-free/nasm-pp.c:3878%20in%20expand_mmac_params"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}