CVE-2023-34795: Xlsxio Project Xlsxio

High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days.

xlsxio v0.1.2 to v0.2.34 was discovered to contain a free of uninitialized pointer in the xlsxioread_sheetlist_close() function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted XLSX file.

Affected products

• Xlsxio Project Xlsxio: from 0.1.2, up to and including 0.2.34

Published 2023-06-16. Last modified 2026-06-17.