# CVE-2025-64406: An out-of-bounds Write vulnerability in Apache OpenOffice could allow an attacker to craft a document that would crash…

Source: https://junglewise.ai/threats/cve-2025-64406-an-out-of-bounds-write-vulnerability-in-apache-openoffice-could  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-11-12  
License: CC BY 4.0 with a link back

CVE-2025-64406 · Severity: medium · CVSS 4.3 · Published 2025-11-12

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

This issue affects Apache OpenOffice: through 4.1.15.

Users are recommended to upgrade to version 4.1.16, which fixes the issue.

Technologies: [Apache OpenOffice](https://junglewise.ai/threats/technologies/openoffice). Vendors: [Apache](https://junglewise.ai/threats/vendors/apache).

## Quick answers

**Is CVE-2025-64406 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-64406 being exploited in the wild.

**How severe is CVE-2025-64406?** Medium severity, with a CVSS score of 4.3, published 12 November 2025.

**Which products and versions are affected?** Apache OpenOffice. The advisory does not name versions.

**Is there a fix for CVE-2025-64406?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2025-64406?** Check whether you run Apache OpenOffice. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Apache OpenOffice

## Related threats

- [Apache OpenOffice heap buffer overflow in DXF parsing](https://junglewise.ai/threats/cve-2026-59267-a-crafted-dxf-document-causes-a-heap-buffer-overflow-in-draw-in)
- [Apache OpenOffice out-of-bounds memory write in PDF import](https://junglewise.ai/threats/cve-2026-90634-an-uncontrolled-memory-access-in-the-pdf-import-code-of-apache)
- [Apache OpenOffice file disclosure via GStreamer multimedia handling](https://junglewise.ai/threats/cve-2026-90632-apache-openoffice-documents-can-include-multimedia-content-audio)
- [Apache OpenOffice external link loading without authorization](https://junglewise.ai/threats/cve-2026-90631-apache-openoffice-documents-can-contain-links-a-missing)
- [Apache OpenOffice memory access violation in WMF import](https://junglewise.ai/threats/cve-2026-90629-an-uncontrolled-memory-access-in-the-wmf-import-code-of-apache)