Security advisory

{
  "id": "420133c8c085efe4b68802fd9e4d304c0ef3bb3e9028e684bb2c97e1b3098941",
  "url": "https://osv.dev/vulnerability/CVE-2017-18196",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-18196",
    "summary": "Leptonica 1.74.4 constructs unintended pathnames (containing duplicated path components) when operating on files in /tmp subdirectories, which might allow local users to bypass intended file restrictions by leveraging access to a directory located deeper within the /tmp directory tree, as demonstrated by /tmp/ANY/PATH/ANY/PATH/input.tif.",
    "evidence": "osv:CVE-2017-18196",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2017-18196",
      "aliases": [
        "CVE-2017-18196"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/danbloomberg/leptonica",
              "type": "GIT",
              "events": [
                {
                  "introduced": "f3d7ee868b4864cdca7ea57349d49f3d2b4a63ec"
                },
                {
                  "last_affected": "f3d7ee868b4864cdca7ea57349d49f3d2b4a63ec"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:leptonica:leptonica:1.74.4:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.74.4"
                      },
                      {
                        "last_affected": "1.74.4"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.74.4"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-18196.json"
          }
        }
      ],
      "modified": "2026-10-24T10:31:06.900784874Z",
      "provider": "osv",
      "references": [
        "https://bugs.debian.org/885704",
        "https://security.gentoo.org/glsa/202312-01"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2017-18196",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 441080,
  "published_at": "2018-02-23T21:29:00.243+00:00"
}