Security advisory

{
  "id": "aa0fa14b01f041dae4ebd7c5e8c40663782076b89136329fbe961bb663c605c2",
  "url": "https://osv.dev/vulnerability/CVE-2021-31239",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-31239",
    "summary": "An issue found in SQLite SQLite3 v.3.35.4 that allows a remote attacker to cause a denial of service via the appendvfs.c function.",
    "evidence": "osv:CVE-2021-31239",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-31239",
      "aliases": [
        "BIT-sqlite-2021-31239",
        "CVE-2021-31239"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/sqlite/sqlite",
              "type": "GIT",
              "events": [
                {
                  "introduced": "8bec96953b78abf7ee0323850434e956a435b0ba"
                },
                {
                  "last_affected": "8bec96953b78abf7ee0323850434e956a435b0ba"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:sqlite:sqlite:3.35.4:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.35.4"
                      },
                      {
                        "last_affected": "3.35.4"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.35.4",
            "version-3.35.4"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-31239.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:26.768765756Z",
      "provider": "osv",
      "references": [
        "https://cert-portal.siemens.com/productcert/html/ssa-398330.html",
        "https://cert-portal.siemens.com/productcert/html/ssa-472630.html",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/73XUIHJ6UT75VFPDPLJOXJON7MVIKVZI/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FXFL4TDAH72PRCPD5UPZMJMKIMVOPLTI/",
        "https://www.sqlite.org/forum/forumpost/d9fce1a89b",
        "https://security.gentoo.org/glsa/202311-03",
        "https://security.netapp.com/advisory/ntap-20230609-0010/",
        "https://www.sqlite.org/cves.html",
        "https://github.com/Tsiming/Vulnerabilities/blob/main/SQLite/CVE-2021-31239"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-31239",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 431676,
  "published_at": "2023-05-09T02:15:08.907+00:00"
}