osv-2023-819
Vulnerability from osv_ossfuzz
Published
2023-09-09 14:01
Modified
2026-02-17 14:21
Summary
Heap-buffer-overflow in ucl_object_dtor_unref_single
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62167

Crash type: Heap-buffer-overflow READ 8
Crash state:
ucl_object_dtor_unref_single
ucl_object_dtor_unref
ucl_hash_destroy
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "libucl",
        "purl": "pkg:generic/libucl"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "c4fc60ebb0aa695df1e6642770d512adb9f1af4e"
            }
          ],
          "repo": "https://github.com/vstakhov/libucl",
          "type": "GIT"
        }
      ],
      "versions": [
        "0.8.2",
        "0.9.0",
        "0.9.1",
        "0.9.2",
        "0.9.3",
        "0.9.4"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62167\n\n```\nCrash type: Heap-buffer-overflow READ 8\nCrash state:\nucl_object_dtor_unref_single\nucl_object_dtor_unref\nucl_hash_destroy\n```\n",
  "id": "OSV-2023-819",
  "modified": "2026-02-17T14:21:16.973749Z",
  "published": "2023-09-09T14:01:07.368928Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62167"
    }
  ],
  "schema_version": "1.4.0",
  "summary": "Heap-buffer-overflow in ucl_object_dtor_unref_single"
}


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