osv-2026-744
Vulnerability from osv_ossfuzz
Published
2026-05-16 00:08
Modified
2026-05-16 00:08
Summary
Heap-double-free in _dwarf_destruct_elf_nlaccess
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=513032442

Crash type: Heap-double-free
Crash state:
_dwarf_destruct_elf_nlaccess
_dwarf_elf_nlsetup
dwarf_init_path_dl_a
References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "fixed_range": "7ef8486ccdb8e6745c18eeb4ba69f336914c656f:7b407f5e8e30e3695c087b1426597d895e586917",
        "introduced_range": "4219b9d3c386f75ca5f47ade03def1a157057e49:dd3ca3226b2c48ff8588d02a74a90cdabea4e91c"
      },
      "ecosystem_specific": {
        "severity": "HIGH"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "libdwarf",
        "purl": "pkg:generic/libdwarf"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "b77072b86835e5e2d0f7cece727c9251cec6c701"
            },
            {
              "fixed": "27a19350b16995730d82fd1c224a7f22b39c443c"
            },
            {
              "fixed": "7b407f5e8e30e3695c087b1426597d895e586917"
            }
          ],
          "repo": "https://github.com/davea42/libdwarf-code",
          "type": "GIT"
        }
      ],
      "versions": []
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=513032442\n\n```\nCrash type: Heap-double-free\nCrash state:\n_dwarf_destruct_elf_nlaccess\n_dwarf_elf_nlsetup\ndwarf_init_path_dl_a\n```\n",
  "id": "OSV-2026-744",
  "modified": "2026-05-16T00:08:42.909443Z",
  "published": "2026-05-16T00:08:42.909156Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=513032442"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "Heap-double-free in _dwarf_destruct_elf_nlaccess"
}


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