What is CVE-2025-64406?

CVE-2025-64406 is a medium-severity vulnerability in Apache Openoffice, classified under Out-of-bounds Write. CVSS score: 4.3/10. Published 2025-11-12.

How severe is CVE-2025-64406?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Buffer overflow in Apache Openoffice

CVE-2025-64406

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…

Vulnerability class: Buffer Overflow

EPSS: 0.004 (34.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L.

Affected products

Apache Openoffice
Apache Software Foundation Openoffice — versions 0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

security@apache.org (vendor-advisory, Vendor Advisory)
security@apache.org (vendor-advisory, Issue Tracking, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2025-64406?: CVE-2025-64406 is a medium-severity vulnerability in Apache Openoffice, classified under Out-of-bounds Write. CVSS score: 4.3/10. Published 2025-11-12.
How severe is CVE-2025-64406?: Medium severity. CVSS v3 base score is 4.3 out of 10.