Security advisory

{
  "id": "eb7df7bdfd20669346a9f3c220b47a4f1ed4da9ed9720414e8d8eb39ffb9d969",
  "url": "https://osv.dev/vulnerability/CVE-2017-12966",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-12966",
    "summary": "The asn1f_lookup_symbol_impl function in asn1fix_retrieve.c in libasn1fix.a in asn1c 0.9.28 allows remote attackers to cause a denial of service (segmentation fault) via a crafted .asn1 file.",
    "evidence": "osv:CVE-2017-12966",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2017-12966",
      "aliases": [
        "CVE-2017-12966"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/vlm/asn1c",
              "type": "GIT",
              "events": [
                {
                  "introduced": "792b22b91282c28f5fd3f0574542fcb6827b72d3"
                },
                {
                  "last_affected": "792b22b91282c28f5fd3f0574542fcb6827b72d3"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:asn1c_project:asn1c:0.9.28:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.9.28"
                      },
                      {
                        "last_affected": "0.9.28"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.9.28",
            "v0.9.28"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-12966.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:30.603781930Z",
      "provider": "osv",
      "references": [
        "https://drive.google.com/open?id=0B9DojFnTUSNGd05zSHI1RmpKQjQ"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2017-12966",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 432613,
  "published_at": "2017-08-20T16:29:00.203+00:00"
}