Security advisory

{
  "id": "920646379784efa48ba722aa1897a6c9d00ca6631723ee616d55e4efe393c4d3",
  "url": "https://osv.dev/vulnerability/CVE-2020-17534",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-17534",
    "summary": "There exists a race condition between the deletion of the temporary file and the creation of the temporary directory in `webkit` subproject of HTML/Java API version 1.7. A similar vulnerability has recently been disclosed in other Java projects and the fix in HTML/Java API version 1.7.1 follows theirs: To avoid local privilege escalation version 1.7.1 creates the temporary directory atomically without dealing with the temporary file: https://github.com/apache/netbeans-html4j/commit/fa70e507e5555e1adb4f6518479fc408a7abd0e6",
    "evidence": "osv:CVE-2020-17534",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-17534",
      "aliases": [
        "CVE-2020-17534",
        "GHSA-ppc3-fpvh-7396"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/apache/netbeans-html4j",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0019fb52ee94897c8a1e0abd26a3816cfb1c67c9"
                },
                {
                  "last_affected": "0019fb52ee94897c8a1e0abd26a3816cfb1c67c9"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:apache:html\\/java_api:1.7:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.7"
                      },
                      {
                        "last_affected": "1.7"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.7",
            "release-1.7"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-17534.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:29.490200549Z",
      "provider": "osv",
      "references": [
        "https://lists.apache.org/thread.html/ra6119c0cdfccf051a846fa11b61364f5df9e7db93c310706a947f86a%40%3Cdev.netbeans.apache.org%3E"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-17534",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 432342,
  "published_at": "2021-01-11T16:15:14.867+00:00"
}