{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "2.0.0"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "62aafbc4ee032c1e9ef02ac8bf98b908c5af62ea"
            }
          ],
          "repo": "https://github.com/icculus/smpeg",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-125"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/112xxx/CVE-2026-112009.json"
  },
  "details": "smpeg through 2.0.0 contains a heap out-of-bounds read vulnerability in MPEGsystem::FillBuffer() that allows attackers to read past the 16384-byte buffer by supplying a crafted system header stream table. Attackers can provide an MPEG file whose stream table bytes all set the high bit, which crashes applications opening it through SMPEG_new, SMPEG_new_rwops, or SMPEG_new_data.",
  "id": "CVE-2026-112009",
  "modified": "2026-10-19T02:30:57.507455744Z",
  "published": "2026-10-18T11:38:31.991Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/112xxx/CVE-2026-112009.json"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/icculus/smpeg"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/icculus/smpeg/blob/d188dc111f4817288718705e4a84e248803ccfdc/MPEGsystem.cpp#L803-L823"
    },
    {
      "type": "EVIDENCE",
      "url": "https://hackmd.io/@haindpwn/smpeg-system-header-stream-table-oob-read"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-112009"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/smpeg-through-2.0.0-heap-out-of-bounds-read-via-mpegsystem-fillbuffer"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "smpeg through 2.0.0 Heap Out-of-Bounds Read via MPEGsystem::FillBuffer"
}