Security advisory

{
  "id": "6ece348b511811ed1ddab077de88fa0934474c6eb676be01ebebffcd8b88c30a",
  "url": "https://osv.dev/vulnerability/CVE-2018-1002208",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-1002208",
    "summary": "SharpZipLib before 1.0 RC1 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.",
    "evidence": "osv:CVE-2018-1002208",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-1002208",
      "aliases": [
        "CVE-2018-1002208",
        "GHSA-cqj4-m2pc-v9m5",
        "SNYK-DOTNET-SHARPZIPLIB-60247"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/icsharpcode/sharpziplib",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "cfc69a68fefbc5858fe70b35f7b69fc505b8c2d6"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:sharpziplib_project:sharpziplib:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.86.0.518"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.86.0.518",
            "0.85.5.452",
            "0.85.4.369",
            "0.85.3.365",
            "0.85.2.329",
            "0.85.1.271",
            "0.85.0.0",
            "0.84.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-1002208.json"
          }
        }
      ],
      "modified": "2026-10-20T10:49:41.201951743Z",
      "provider": "osv",
      "references": [
        "https://github.com/snyk/zip-slip-vulnerability",
        "https://snyk.io/research/zip-slip-vulnerability",
        "https://github.com/icsharpcode/SharpZipLib/issues/232",
        "https://github.com/icsharpcode/SharpZipLib/wiki/Release-1.0",
        "https://snyk.io/vuln/SNYK-DOTNET-SHARPZIPLIB-60247"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-1002208",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 380691,
  "published_at": "2018-07-25T17:29:02.157+00:00"
}