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The Free and Open Productivity Suite
Released: Apache OpenOffice 4.1.17

CVE-2026-59265

Apache OpenOffice Advisory

Opening a malicious document can lead to system takeover

Description

A code execution issue in the Java integration in Apache OpenOffice 4.1.16 and earlier allows a crafted untrusted document to trigger executing arbitrary (even remote) code when opened by the user.

Severity: Critical

There are no known exploits of this vulnerability.

Thanks to the reporters for discovering this issue.

Vendor: The Apache Software Foundation

Versions Affected

All Apache OpenOffice versions 4.1.16 and older are affected. OpenOffice.org versions may also be affected.

Mitigation

Install Apache OpenOffice 4.1.17 for the latest maintenance and cumulative security fixes. Use the Apache OpenOffice download page.

Acknowledgements

The Apache OpenOffice Security Team would like to thank an anonymous person working with TrendAI Zero Day Initiative for discovering and reporting this issue.

Further Information

For additional information and assistance, consult the Apache OpenOffice Community Forums or make requests to the users@openoffice.apache.org public mailing list.

The latest information on Apache OpenOffice security bulletins can be found at the Bulletin Archive page.


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