sprintf-js through 1.1.3 Denial of Service via Unbounded Precision

{
  "id": "383bfdd8576aea79cb6d091401e140e6e4f4bfc7586988e18a01dd69556bed57",
  "url": "https://osv.dev/vulnerability/CVE-2026-97058",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "sprintf-js through 1.1.3 Denial of Service via Unbounded Precision",
    "summary": "sprintf-js through 1.1.3 passes unbounded precision specifiers to toFixed, toExponential, and toPrecision methods without validation, causing uncaught RangeError exceptions. Attackers who control format strings can inject precision values exceeding ECMAScript limits to abort calling operations with minimal payload.",
    "evidence": "osv:CVE-2026-97058",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-97058",
      "aliases": [
        "CVE-2026-97058"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/alexei/sprintf.js",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3a0d8c26d291b5bd9f1974877ecc50739921d6f5"
                }
              ],
              "database_specific": {
                "source": [
                  "AFFECTED_FIELD",
                  "DESCRIPTION"
                ],
                "extracted_events": [
                  {
                    "introduced": "0"
                  },
                  {
                    "last_affected": "1.1.3"
                  },
                  {
                    "fixed": "1.1.3"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.1.2",
            "1.1.1",
            "1.1.0",
            "1.0.3",
            "1.0.2",
            "1.0.1",
            "1.0.0",
            "v0.7",
            "v0.6",
            "v0.5",
            "v0.4",
            "v0.3",
            "v0.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-97058.json"
          }
        }
      ],
      "modified": "2026-10-22T19:41:07.887004544Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/97xxx/CVE-2026-97058.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-97058",
        "https://www.vulncheck.com/advisories/sprintf-js-through-1.1.3-denial-of-service-via-unbounded-precision",
        "https://github.com/alexei/sprintf.js/issues/237",
        "https://github.com/alexei/sprintf.js/issues/237#issuecomment-6025091396",
        "https://github.com/alexei/sprintf.js",
        "https://github.com/alexei/sprintf.js/blob/3a0d8c26d291b5bd9f1974877ecc50739921d6f5/src/sprintf.js#L17",
        "https://github.com/alexei/sprintf.js/blob/3a0d8c26d291b5bd9f1974877ecc50739921d6f5/src/sprintf.js#L84-L90"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-1284"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/97xxx/CVE-2026-97058.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-97058",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 409951,
  "published_at": "2026-09-24T13:51:58.989+00:00"
}