Security advisory

{
  "id": "38416da584544385c63d3910f364fe025b5405db954fa217beee93ad46eb6fa1",
  "url": "https://osv.dev/vulnerability/CVE-2018-19199",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-19199",
    "summary": "An issue was discovered in uriparser before 0.9.0. UriQuery.c allows an integer overflow via a uriComposeQuery* or uriComposeQueryEx* function because of an unchecked multiplication.",
    "evidence": "osv:CVE-2018-19199",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2018-19199",
      "aliases": [
        "CVE-2018-19199"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/uriparser/uriparser",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0b75a002e42fe675784d1a5c2adca547f5ec5661"
                },
                {
                  "fixed": "f76275d4a91b28d687250525d3a0c5509bbd666f"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:uriparser_project:uriparser:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.9.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "f76275d4a91b28d687250525d3a0c5509bbd666f"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "uriparser-0.8.6",
            "uriparser-0.8.5",
            "uriparser-0.8.4",
            "uriparser-0.8.3",
            "uriparser-0.8.2",
            "uriparser-0.8.1",
            "uriparser-0.8.0.1",
            "uriparser-0.8.0",
            "uriparser-0.7.5",
            "uriparser-0.7.9",
            "uriparser-0.7.8",
            "uriparser-0.7.7",
            "uriparser-0.7.6",
            "uriparser-0.7.4",
            "uriparser-0.7.3",
            "uriparser-0.7.2",
            "uriparser-0.7.1",
            "uriparser-0.7.0",
            "uriparser-0.6.4",
            "uriparser-0.6.3",
            "uriparser-0.6.2",
            "uriparser-0.6.1",
            "uriparser-0.6.0",
            "uriparser-0.5.2",
            "uriparser-0.5.1",
            "uriparser-0.5.0",
            "uriparser-0.4.0",
            "uriparser-0.3.4",
            "uriparser-0.3.3",
            "uriparser-0.3.2",
            "uriparser-0.3.1",
            "uriparser-0.3.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-19199.json",
            "vanir_signatures": [
              {
                "id": "CVE-2018-19199-e01bf6e2",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "290371169415132705895581035972684788287",
                    "326755179708340016162408027130503972958",
                    "100983874194007827929211722687075228168",
                    "223176582113153006996577696788295800471",
                    "126050388159432121021043208975519024681",
                    "54508814337538683184784625144362654913",
                    "121578682297062695633425950485373220149",
                    "176129368108619434604045172507923970959",
                    "30080713267707726995436633986327152207"
                  ]
                },
                "source": "https://github.com/uriparser/uriparser/commit/f76275d4a91b28d687250525d3a0c5509bbd666f",
                "target": {
                  "file": "src/UriQuery.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T13:32:45Z"
          }
        }
      ],
      "modified": "2026-10-20T13:32:45.249602676Z",
      "provider": "osv",
      "references": [
        "https://access.redhat.com/errata/RHSA-2019:2280",
        "https://lists.debian.org/debian-lts-announce/2018/11/msg00019.html",
        "https://github.com/uriparser/uriparser/blob/uriparser-0.9.0/ChangeLog",
        "https://github.com/uriparser/uriparser/commit/f76275d4a91b28d687250525d3a0c5509bbd666f"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "8.0"
                  },
                  {
                    "last_affected": "8.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2018-19199",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 387805,
  "published_at": "2018-11-12T15:29:00.287+00:00"
}