Security advisory

{
  "id": "a5ddee485f0f43e28b03e45796a4bfe1232c994b1c2a3e27ad47809f48020fcf",
  "url": "https://osv.dev/vulnerability/CVE-2018-1002206",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-1002206",
    "summary": "SharpCompress before 0.21.0 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-2018-1002206",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-1002206",
      "aliases": [
        "CVE-2018-1002206",
        "GHSA-fxh6-w476-hgr4",
        "SNYK-DOTNET-SHARPCOMPRESS-60246"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/adamhathcock/sharpcompress",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3f94c1a50dd1b31f600307b5ad98704dd32e89e4"
                },
                {
                  "fixed": "42b1205fb435de523e6ef8ac5b7bafbe712997f6"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:adamhathcock:sharpcompress:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.21.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "42b1205fb435de523e6ef8ac5b7bafbe712997f6"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.20.0",
            "0.19.2",
            "0.19.1",
            "0.19",
            "0.18.2",
            "0.18.1",
            "0.18",
            "0.17.1",
            "0.17.0",
            "0.16.2",
            "0.16.1",
            "0.16.0",
            "0.15.2",
            "0.15.1",
            "0.15.0",
            "0.14.1",
            "0.14.0",
            "0.13.1",
            "0.13.0",
            "0.12.4",
            "0.12.3",
            "0.12.2",
            "0.12.1",
            "0.12.0",
            "0.11.6",
            "0.11.5",
            "0.11.4",
            "0.11.2",
            "0.11.3",
            "0.11.1",
            "0.11",
            "0.10.3",
            "0.10.2",
            "0.10.1.3",
            "0.10.1.2",
            "0.10.1.1",
            "0.10.1",
            "0.10",
            "0.9"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-1002206.json"
          }
        }
      ],
      "modified": "2026-10-20T10:50:18.398085375Z",
      "provider": "osv",
      "references": [
        "https://github.com/adamhathcock/sharpcompress/commit/42b1205fb435de523e6ef8ac5b7bafbe712997f6",
        "https://github.com/adamhathcock/sharpcompress/pull/374",
        "https://github.com/snyk/zip-slip-vulnerability",
        "https://snyk.io/research/zip-slip-vulnerability",
        "https://snyk.io/vuln/SNYK-DOTNET-SHARPCOMPRESS-60246"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-1002206",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 381510,
  "published_at": "2018-07-25T17:29:01.94+00:00"
}