CVE-2025-64406

low-risk

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.

Do I need to act?

0.09% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 4.3/10 Medium

NETWORK / LOW complexity

Affected Products (1)

Openoffice

Affected Vendors

Apache

References (3)

Issue Tracking https://lists.apache.org/thread/py89gpogxfb2yo9c5vwv2h9x3m85pfmm

Vendor Advisory https://www.openoffice.org/security/cves/CVE-2025-64406.html

Mailing List http://www.openwall.com/lists/oss-security/2025/11/11/9

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low-risk

Severity 18/34 · Moderate

Exploitability 0/34 · Minimal

Exposure 5/34 · Minimal