Authorization Flaw in Apache OpenOffice Allows External Link Loading
CVE-2025-64401

7.5HIGH

Key Information:

Vendor

Apache
Status
Apache Openoffice
Vendor
CVE Published:
12 November 2025

What is CVE-2025-64401?

A security vulnerability in Apache OpenOffice allows crafted documents to load external links without prompting users for consent. Specifically, documents utilizing 'floating frames' can access external files without proper authorization, potentially exposing users to unsolicited content. This issue affects versions up to 4.1.15, and users are urged to upgrade to version 4.1.16 to mitigate the risk.

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Deploy the Patch

Affected Version(s)

Apache OpenOffice 0 <= 4.1.15

References

https://www.openoffice.org/security/cves/CVE-2025-64401.html
vendor-advisory
https://lists.apache.org/thread/o00dtgvhr9tx8r4y8vf6y2mg7...
vendor-advisory

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Amel Bouziane-Leblond for discovering and reporting the issue
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