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Released: Apache OpenOffice 4.1.17

CVE-2026-59268

Apache OpenOffice Advisory

Heap out-of-bounds write in WW8 PLCF reader

Description

An out-of-bounds Write vulnerability in Apache OpenOffice versions through 4.1.16 could allow an attacker to craft a Microsoft Word document that would crash the program, or otherwise corrupt other memory areas.

Severity: Important

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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