Security advisory

{
  "id": "85090865e86d32521b75ccffd6188f2a760aac45bd7f867cbfcde3cdb9d3af67",
  "url": "https://osv.dev/vulnerability/CVE-2019-13241",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-13241",
    "summary": "FlightCrew v0.9.2 and older are vulnerable to a directory traversal, allowing attackers to write arbitrary files via a ../ (dot dot slash) in a ZIP archive entry that is mishandled during extraction.",
    "evidence": "osv:CVE-2019-13241",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2019-13241",
      "aliases": [
        "CVE-2019-13241"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/sigil-ebook/flightcrew",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "2df9bdb1cba153c85850846de14ee37997736e7e"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:flightcrew_project:flightcrew:*:*:*:*:*:sigil:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.9.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.9.2",
            "0.9.1",
            "0.9.0",
            "0.7.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-13241.json"
          }
        }
      ],
      "modified": "2026-10-20T10:51:37.159199531Z",
      "provider": "osv",
      "references": [
        "https://usn.ubuntu.com/4055-1/",
        "https://github.com/Sigil-Ebook/flightcrew/issues/52",
        "https://salvatoresecurity.com/fun-with-fuzzers-how-i-discovered-three-vulnerabilities-part-3-of-3/"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*",
              "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
              "cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*",
              "cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*"
            ],
            "vendor_product": "canonical:ubuntu_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "16.04"
                  },
                  {
                    "last_affected": "16.04"
                  },
                  {
                    "introduced": "18.04"
                  },
                  {
                    "last_affected": "18.04"
                  },
                  {
                    "introduced": "18.10"
                  },
                  {
                    "last_affected": "18.10"
                  },
                  {
                    "introduced": "19.04"
                  },
                  {
                    "last_affected": "19.04"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2019-13241",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 382658,
  "published_at": "2019-07-04T15:15:11.28+00:00"
}