Security advisory

{
  "id": "0d1ce4a92bbc9d8325acab3888997b0c23808045588ac32e8178f26ce6f7c190",
  "url": "https://osv.dev/vulnerability/CVE-2018-20671",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-20671",
    "summary": "load_specific_debug_section in objdump.c in GNU Binutils through 2.31.1 contains an integer overflow vulnerability that can trigger a heap-based buffer overflow via a crafted section size.",
    "evidence": "osv:CVE-2018-20671",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-20671",
      "aliases": [
        "CVE-2018-20671"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://sourceware.org/git/binutils-gdb.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "0860693812fff944ab0602e72b762a4a2078da5b"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "2.31.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "binutils-2_31_1",
            "binutils-2_31",
            "gdb-8.1-branchpoint",
            "users/ARM/embedded-gdb-master-2017q4",
            "users/ARM/embedded-binutils-master-2017q4",
            "gdb-8.0-branchpoint",
            "users/ARM/embedded-binutils-master-2016q4",
            "gdb-7.12-branchpoint",
            "gdb-7.11-branchpoint",
            "gdb-7.10-branchpoint",
            "gdb-7.9-branchpoint",
            "gdb-7.8-branchpoint",
            "gdb-7.7-branchpoint",
            "gdb_7_6-branchpoint",
            "gdb_7_5-branchpoint",
            "gdb_7_4-branchpoint",
            "gdb_7_3-branchpoint",
            "gdb_7_2-branchpoint",
            "gdb_7_1-branchpoint",
            "gdb_7_0-branchpoint",
            "gdb_6_8-branchpoint",
            "gdb_6_7-branchpoint",
            "gdb_6_6-branchpoint",
            "gdb_6_5-branchpoint",
            "gdb_6_4-branchpoint",
            "gdb_6_3-branchpoint",
            "gdb_6_2-branchpoint",
            "gdb_6_1-branchpoint",
            "gdb_6_0-branchpoint",
            "gdb_5_3-branchpoint",
            "gdb_5_2-branchpoint",
            "gdb-4_18-branchpoint"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-20671.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:18.572032094Z",
      "provider": "osv",
      "references": [
        "https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=11fa9f134fd658075c6f74499c780df045d9e9ca",
        "https://usn.ubuntu.com/4336-1/",
        "https://sourceware.org/bugzilla/show_bug.cgi?id=24005"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-20671",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 429807,
  "published_at": "2019-01-04T16:29:00.243+00:00"
}