Security advisory

{
  "id": "a277979d7a3eb1d30cc26a693f893424f2a6ae55f0eb4368feadd4fc980de677",
  "url": "https://osv.dev/vulnerability/CVE-2019-13032",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-13032",
    "summary": "An issue was discovered in FlightCrew v0.9.2 and earlier. A NULL pointer dereference occurs in GetRelativePathToNcx() or GetRelativePathsToXhtmlDocuments() when a NULL pointer is passed to xc::XMLUri::isValidURI(). This affects third-party software (not Sigil) that uses FlightCrew as a library.",
    "evidence": "osv:CVE-2019-13032",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2019-13032",
      "aliases": [
        "CVE-2019-13032"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/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-2019-13032.json"
          }
        }
      ],
      "modified": "2026-10-20T10:51:37.155690987Z",
      "provider": "osv",
      "references": [
        "https://salvatoresecurity.com/fun-with-fuzzers-or-how-i-discovered-three-vulnerabilities-part-1-of-3/",
        "https://usn.ubuntu.com/4055-1/",
        "https://github.com/Sigil-Ebook/flightcrew/issues/53"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-13032",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 382660,
  "published_at": "2019-06-28T23:15:09.343+00:00"
}