{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "3.3.14"
              }
            ],
            "source": [
              "DESCRIPTION",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "8de19eef766d9ba30a74c19e566edfcd61851dba"
            },
            {
              "fixed": "097b69281fad6ba38a553569e6f55dbfdd71dc2a"
            }
          ],
          "repo": "https://github.com/sezero/mikmod",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-190"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/105xxx/CVE-2026-105839.json"
  },
  "details": "libmikmod before 3.3.14 contains an integer overflow in the Oktalyzer loader OKT_doPBOD() that allows attackers to cause heap buffer overflow via crafted track counts. Attackers can supply an OKT module whose SLEN chunk wraps the 16-bit numtrk value, causing PBOD writes past allocated track pointers for crashes or code execution.",
  "id": "CVE-2026-105839",
  "modified": "2026-10-08T02:30:52.561752958Z",
  "published": "2026-10-06T13:35:45.261Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/105xxx/CVE-2026-105839.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/sezero/mikmod/blob/libmikmod-3.3.14/libmikmod/NEWS"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-105839"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/libmikmod-before-3.3.14-heap-buffer-overflow-via-okt-loader-okt-dopbod"
    },
    {
      "type": "FIX",
      "url": "https://github.com/sezero/mikmod/commit/097b69281fad6ba38a553569e6f55dbfdd71dc2a"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/sezero/mikmod"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/sezero/mikmod/blob/libmikmod-3.3.13/libmikmod/loaders/load_okt.c#L286"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "libmikmod before 3.3.14 Heap Buffer Overflow via OKT Loader OKT_doPBOD"
}