Security advisory

{
  "id": "98fa3bccfc57a620fd7144c7bbee81c377c4e5c72fa4c04bdb2ad2efec84e85c",
  "url": "https://osv.dev/vulnerability/CVE-2021-42006",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-42006",
    "summary": "An out-of-bounds access in GffLine::GffLine in gff.cpp in GCLib 0.12.7 allows an attacker to cause a segmentation fault or possibly have unspecified other impact via a crafted GFF file.",
    "evidence": "osv:CVE-2021-42006",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-42006",
      "aliases": [
        "CVE-2021-42006"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/gpertea/gclib",
              "type": "GIT",
              "events": [
                {
                  "introduced": "8aee376774ccb2f3bd3f8e3bf1c9df1528ac7c5b"
                },
                {
                  "last_affected": "8aee376774ccb2f3bd3f8e3bf1c9df1528ac7c5b"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gclib_project:gclib:0.12.7:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.12.7"
                      },
                      {
                        "last_affected": "0.12.7"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.12.7",
            "v0.12.7"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-42006.json"
          }
        }
      ],
      "modified": "2026-10-20T10:55:00.166044438Z",
      "provider": "osv",
      "references": [
        "https://github.com/gpertea/gclib/issues/11"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-42006",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 386657,
  "published_at": "2021-10-04T23:15:08.63+00:00"
}