Security advisory

{
  "id": "61153517a6ab3b6fefe7cd439911e12a09bbb09e816a11bacddad6a6853e8983",
  "url": "https://osv.dev/vulnerability/CVE-2026-111997",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-111997",
    "summary": "ip-address before 10.7.4 allows a denial of service (CPU consumption from quadratic complexity, and application stall) via many % characters in input reaching a function call that uses the Address6 constructor.",
    "evidence": "osv:CVE-2026-111997",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-111997",
      "aliases": [
        "CVE-2026-111997",
        "GHSA-rxp7-6hxx-x8q5"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/beaugunderson/ip-address",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "651c1dd35e55593b337d21c8e2a990b3743d1b3a"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "10.7.4"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "10.7.4"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v10.7.3",
            "v10.7.2",
            "v10.7.1",
            "v10.7.0",
            "v10.6.0",
            "v10.5.1",
            "v10.5.0",
            "v10.4.0",
            "v10.3.1",
            "v10.3.0",
            "v10.2.2",
            "v10.2.1",
            "v10.2.0",
            "v10.1.1",
            "v10.1.0",
            "v10.0.1",
            "v10.0.0",
            "v9.1.0-0",
            "v9.0.5",
            "v9.0.3",
            "v9.0.2",
            "v9.0.1",
            "v9.0.0",
            "v8.1.0",
            "v8.0.0",
            "v7.1.0",
            "v7.0.1",
            "v7.0.0",
            "v6.4.0",
            "v6.3.0",
            "v6.2.0",
            "v6.1.0",
            "v6.0.0",
            "v5.9.4",
            "v5.9.3",
            "v5.9.2",
            "v5.9.1",
            "v5.9.0",
            "v5.8.9",
            "v5.8.8",
            "v5.8.7",
            "v5.8.6",
            "v5.8.5",
            "v5.8.4",
            "v5.8.3",
            "v5.8.2",
            "v5.8.1",
            "v5.8.0",
            "v5.7.0",
            "v5.6.0",
            "v5.5.0",
            "v5.4.1",
            "v5.4.0",
            "v5.3.0",
            "v5.2.0",
            "v3.1.0",
            "v2.0.2",
            "v2.0.1",
            "2.0.0",
            "1.1.0",
            "1.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-111997.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:38.043115670Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111997.json",
        "https://github.com/beaugunderson/ip-address/security/advisories/GHSA-rxp7-6hxx-x8q5",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-111997"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-1333"
        ],
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111997.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-111997",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 505471,
  "published_at": "2026-10-18T00:07:21.112+00:00"
}