CVE-2025-64403

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.

Score

CVSS 3.1 8.1 High

Status

Analyzed - security@apache.org

Published

2025-11-12

Last modified

2026-10-18

Weaknesses

CWE-862

Affected products

• Openoffice (Apache)
• Apache Openoffice (Apache Software Foundation)

References

• https://www.openoffice.org/security/cves/CVE-2025-64403.html
• https://lists.apache.org/thread/t7c6jhvdb00xtgd9vvn7h5sq9f4h5trt
• http://www.openwall.com/lists/oss-security/2025/11/11/6