SheetJS Pro through 0.16.9 allows attackers to cause a denial of service (CPU consumption) via a crafted .xlsx document that is mishandled when read by xlsx.js.
{
    "nvd_published_at": "2021-07-19T14:15:00Z",
    "severity": "MODERATE",
    "github_reviewed_at": "2021-07-19T21:44:42Z",
    "github_reviewed": true,
    "cwe_ids": [
        "CWE-345",
        "CWE-400"
    ]
}