High severity7.5NVD Advisory· Published Nov 12, 2025· Updated Jun 17, 2026
CVE-2025-64405
CVE-2025-64405
Description
Apache OpenOffice documents can contain links. A missing Authorization vulnerability in Apache OpenOffice allowed an attacker to craft a document that would cause external links to be loaded without prompt. In the affected versions of Apache OpenOffice, Calc spreadsheet containing DDE links to external files would load the contents of those files without prompting the user for permission to do so.
This issue affects Apache OpenOffice: through 4.1.15.
Users are recommended to upgrade to version 4.1.16, which fixes the issue.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3cpe:2.3:a:apache:openoffice:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:apache:openoffice:*:*:*:*:*:*:*:*range: <4.1.16
- (no CPE)range: <=4.1.15
- (no CPE)range: 0
Patches
Vulnerability mechanics
References
3- www.openwall.com/lists/oss-security/2025/11/11/8nvdMailing ListThird Party Advisory
- lists.apache.org/thread/0jjftxkcc4l9kt7jjn630hfrh2ygfcbknvdMailing ListVendor Advisory
- www.openoffice.org/security/cves/CVE-2025-64405.htmlnvdVendor Advisory
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