osv-2026-54
Vulnerability from osv_ossfuzz
Published
2026-01-15 00:17
Modified
2026-01-15 00:17
Summary
Heap-use-after-free in _dwarf_exec_frame_instr
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=475563464

Crash type: Heap-use-after-free READ 8
Crash state:
_dwarf_exec_frame_instr
_dwarf_get_fde_info_for_a_pc_row
dwarf_get_fde_info_for_all_regs3_b
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "fixed_range": "63c286fa066879eb535bd9d72c48e924bb06790f:eab3c42416fb5c14c1f5ba60294642ca34599b11",
        "introduced_range": "0ed97228bc984d368249a1575f10a59b45cdb606:17ecf1c46d1047fb43e876371cc4bffc110729af"
      },
      "ecosystem_specific": {
        "severity": "HIGH"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "libdwarf",
        "purl": "pkg:generic/libdwarf"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "a0b85ccca9b9ad0d1ddb303372b300e9029342dd"
            },
            {
              "fixed": "eab3c42416fb5c14c1f5ba60294642ca34599b11"
            }
          ],
          "repo": "https://github.com/davea42/libdwarf-code",
          "type": "GIT"
        }
      ],
      "versions": [
        "libdwarf-2.3.0",
        "v2.3.0"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=475563464\n\n```\nCrash type: Heap-use-after-free READ 8\nCrash state:\n_dwarf_exec_frame_instr\n_dwarf_get_fde_info_for_a_pc_row\ndwarf_get_fde_info_for_all_regs3_b\n```\n",
  "id": "OSV-2026-54",
  "modified": "2026-01-15T00:17:17.478056Z",
  "published": "2026-01-15T00:17:17.477757Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=475563464"
    }
  ],
  "schema_version": "1.7.3",
  "summary": "Heap-use-after-free in _dwarf_exec_frame_instr"
}


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