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Search Results (4 CVEs found)
| CVE | Vendors | Products | Updated | CVSS v3.1 |
|---|---|---|---|---|
| CVE-2026-128338 | 2 Exceljs, Exceljs Project | 2 Exceljs, Exceljs | 2026-11-14 | 7.5 High |
| exceljs through 4.4.0 contains a memory exhaustion vulnerability that allows attackers to crash applications by supplying a worksheet col element with an unbounded max attribute. Attackers can craft a small workbook with a huge max value, causing xlsx.load() to allocate hundreds of millions of Column objects and abort the process with an uncatchable heap out-of-memory error. | ||||
| CVE-2026-128344 | 2 Exceljs, Exceljs Project | 2 Exceljs, Exceljs | 2026-11-14 | 7.5 High |
| ExcelJS through 4.4.0 contains a memory exhaustion vulnerability that allows attackers to crash applications by supplying a workbook with an unbounded image anchor column in the drawing part. Attackers can set an anchor column such as 300000000 in xl/drawings/drawing1.xml so reading getImages() anchor positions makes Worksheet.getColumn allocate millions of Column objects and abort with a heap out-of-memory error. | ||||
| CVE-2026-128342 | 2 Exceljs, Exceljs Project | 2 Exceljs, Exceljs | 2026-11-14 | 7.5 High |
| ExcelJS through 4.4.0 contains a denial of service vulnerability that allows attackers to block the event loop by supplying an unbounded sheetId in xl/workbook.xml. Attackers can provide a workbook with a huge sheetId, making the sparse worksheet array walk stall worksheets, getWorksheet and writeBuffer for seconds. | ||||
| CVE-2026-78209 | 2 Exceljs, Exceljs Project | 2 Exceljs, Exceljs | 2026-08-29 | 8.2 High |
| exceljs through 4.4.0 fails to neutralize leading equals, plus, minus, or at signs in cell values written to CSV output. Attackers who can influence exported cell values can inject formulas that execute when the CSV file is opened in a spreadsheet application, potentially exfiltrating data or performing other malicious actions. | ||||
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