osv-2025-608
Vulnerability from osv_ossfuzz
Published
2025-08-09 00:02
Modified
2025-08-11 14:17
Summary
Heap-buffer-overflow in _dwarf_memcpy_noswap_bytes
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=437060549

Crash type: Heap-buffer-overflow READ 4
Crash state:
_dwarf_memcpy_noswap_bytes
_dwarf_length_of_cu_header
dwarf_global_name_offsets
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "fixed_range": "8f82593cff046c28d3687e10348264b191c325ef:67c26c25f776303c154079a419bab34f29f35547"
      },
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "libdwarf",
        "purl": "pkg:generic/libdwarf"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "9cf5066516e5e46785bad045d97012e3c1c61b84"
            },
            {
              "fixed": "aedc3c4cebdc84fe1e4b342df18b1b53110df534"
            },
            {
              "fixed": "67c26c25f776303c154079a419bab34f29f35547"
            }
          ],
          "repo": "https://github.com/davea42/libdwarf-code",
          "type": "GIT"
        }
      ],
      "versions": [
        "libdwarf-0.12.0",
        "libdwarf-2.0.0",
        "libdwarf-2.1.0",
        "v0.12.0",
        "v2.0.0",
        "v2.1.0"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=437060549\n\n```\nCrash type: Heap-buffer-overflow READ 4\nCrash state:\n_dwarf_memcpy_noswap_bytes\n_dwarf_length_of_cu_header\ndwarf_global_name_offsets\n```\n",
  "id": "OSV-2025-608",
  "modified": "2025-08-11T14:17:56.957704Z",
  "published": "2025-08-09T00:02:00.092320Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=437060549"
    }
  ],
  "schema_version": "1.7.0",
  "summary": "Heap-buffer-overflow in _dwarf_memcpy_noswap_bytes"
}


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