CVE-2025-64403

CVE-2025-64403: Apache OpenOffice: Remote documents loaded without prompt via "external data sources" in Calc

Vendor Apache Software Foundation
Product Apache OpenOffice
Weakness CWE-862 · Missing authorization
Published November 12, 2025
Last update November 12, 2025

CVSS base score

What the vulnerability does

Description

Apache OpenOffice Calc spreadsheet can contain links to other files, in the form of "external data sources". A missing Authorization vulnerability in Apache OpenOffice allowed an attacker to craft a document that would cause such links to be loaded without prompt. This issue affects Apache OpenOffice: through 4.1.15. Users are recommended to upgrade to version 4.1.16, which fixes the issue.

Key dates

Disclosure timeline

November 12, 2025 CVE published
November 12, 2025 Record updated