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The Free and Open Productivity Suite
Released: Apache OpenOffice 4.1.17

CVE-2026-59263

Apache OpenOffice Advisory

Carefully crafted documents could display different data when opened with different programs, instead of being reported as corrupt.

Description

A manipulated document opened in Apache OpenOffice 4.1.16 or earlier may allow substituted content to be displayed manipulating the user. Such documents are corrupt and should not be opened.

Severity: Low

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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