osv-2023-877
Vulnerability from osv_ossfuzz
Published
2023-09-18 14:02
Modified
2026-02-04 14:10
Summary
Heap-buffer-overflow in btf_ensure_modifiable
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62465

Crash type: Heap-buffer-overflow READ 4
Crash state:
btf_ensure_modifiable
btf__add_var
bpf_object__collect_externs
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "libbpf",
        "purl": "pkg:generic/libbpf"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "d374094d8c49b6b7d288f307e11217ec5a502391"
            }
          ],
          "repo": "https://github.com/libbpf/libbpf",
          "type": "GIT"
        }
      ],
      "versions": [
        "v0.6.0",
        "v0.6.1",
        "v0.7.0",
        "v0.8.0",
        "v0.8.1",
        "v1.0.0",
        "v1.0.1",
        "v1.1.0",
        "v1.2.0",
        "v1.2.2",
        "v1.3.0",
        "v1.4.0",
        "v0.8.2",
        "v0.8.3",
        "v1.4.1",
        "v1.4.2",
        "v1.4.3",
        "v1.0.2",
        "v1.1.1",
        "v1.2.1",
        "v1.3.1",
        "v1.4.4",
        "v1.3.2",
        "v1.4.5",
        "v1.0.3",
        "v1.1.2",
        "v1.2.3",
        "v1.3.3",
        "v1.4.6",
        "v1.3.4",
        "v1.4.7",
        "v1.5.0",
        "v1.5.1",
        "v1.6.0",
        "v1.6.1",
        "v1.6.2",
        "v1.6.3"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62465\n\n```\nCrash type: Heap-buffer-overflow READ 4\nCrash state:\nbtf_ensure_modifiable\nbtf__add_var\nbpf_object__collect_externs\n```\n",
  "id": "OSV-2023-877",
  "modified": "2026-02-04T14:10:33.449942Z",
  "published": "2023-09-18T14:02:44.989260Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62465"
    }
  ],
  "schema_version": "1.4.0",
  "summary": "Heap-buffer-overflow in btf_ensure_modifiable"
}


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