Security advisory

{
  "id": "521158bbf451e023a766fe5c4ec4b4531807fe80708e667265881cc289e007d6",
  "url": "https://osv.dev/vulnerability/CVE-2020-16593",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-16593",
    "summary": "A Null Pointer Dereference vulnerability exists in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.35, in scan_unit_for_symbols, as demonstrated in addr2line, that can cause a denial of service via a crafted file.",
    "evidence": "osv:CVE-2020-16593",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-16593",
      "aliases": [
        "CVE-2020-16593"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/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": "2cb5c79dad39dd438fb0f7372ac04cf5aa2a7db7"
                },
                {
                  "last_affected": "2cb5c79dad39dd438fb0f7372ac04cf5aa2a7db7"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gnu:binutils:2.35:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.35"
                      },
                      {
                        "last_affected": "2.35"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.35",
            "binutils-2_35"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-16593.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:54.037127452Z",
      "provider": "osv",
      "references": [
        "https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=aec72fda3b320c36eb99fc1c4cf95b10fc026729",
        "https://security.netapp.com/advisory/ntap-20210122-0003/",
        "https://sourceware.org/bugzilla/show_bug.cgi?id=25827"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-16593",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 438053,
  "published_at": "2020-12-09T21:15:15.243+00:00"
}