osv-2026-1027
Vulnerability from osv_ossfuzz
Published
2026-07-05 00:17
Modified
2026-07-05 00:17
Summary
Heap-buffer-overflow in mp_load_float
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=530970666

Crash type: Heap-buffer-overflow WRITE 4
Crash state:
mp_load_float
mp_decode_float
luamp_decode_with_ctx
References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "fixed_range": "62cb643b0083a1346b685818ab89ceb8a3d24766:42d7de284ffb896006e74a51fbd0f62318b813ba"
      },
      "ecosystem_specific": {
        "severity": "HIGH"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "tarantool",
        "purl": "pkg:generic/tarantool"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "c679fad72328070e9d94426077b8cc45c390e313"
            },
            {
              "fixed": "42d7de284ffb896006e74a51fbd0f62318b813ba"
            }
          ],
          "repo": "https://github.com/tarantool/tarantool",
          "type": "GIT"
        }
      ],
      "versions": [
        "3.6.4",
        "3.7.1",
        "3.7.2-entrypoint",
        "3.8.0",
        "3.8.1-entrypoint",
        "3.9.0-entrypoint"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=530970666\n\n```\nCrash type: Heap-buffer-overflow WRITE 4\nCrash state:\nmp_load_float\nmp_decode_float\nluamp_decode_with_ctx\n```\n",
  "id": "OSV-2026-1027",
  "modified": "2026-07-05T00:17:39.793771Z",
  "published": "2026-07-05T00:17:39.793478Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=530970666"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "Heap-buffer-overflow in mp_load_float"
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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