OpenofficeApplication · Apache

CVE-2025-64404

HIGH · 7.5 CVSS v3.1 Published 2025-11-12
Fix available
A fix is available. Upgrade to 4.1.16 or later.
See remediation →
84/100
Remediation priority · High
Remotely reachable No privileges Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Apache OpenOffice documents can contain links to other files. 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, documents that used background fill images, or bullet images, linked 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.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

Apache OpenOffice fails to prompt for user authorization when loading external linked files referenced in background fill images or bullet images within crafted documents. This missing authorization check allows a malicious document to silently fetch and display external file contents without user consent.

MitigationUpgrade to Apache OpenOffice 4.1.16 or later. Avoid opening documents from untrusted sources until the upgrade is applied.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
OpenofficeApplication
Affected:< 4.1.16

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Determine installed Apache OpenOffice version
    Open Apache OpenOffice, go to Help > About to view the version number, or use the system package manager (dpkg -l | grep openoffice, rpm -qi openoffice, or similar) to identify the installed version
    Affected if Version is below 4.1.16
  2. Compare version against affected range
    Compare your identified version to the affected range: any version lower than 4.1.16 is vulnerable
    Affected if Installed version is less than 4.1.16

The environment is affected if Apache OpenOffice version installed is lower than 4.1.16

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Upgrade available Upgrade to 4.1.16 or later
Fixed in 4.1.16
Interim mitigation

Upgrade to Apache OpenOffice 4.1.16 or later. Avoid opening documents from untrusted sources until the upgrade is applied.

Recommended fix High confidence

4.1.16

  1. Download Apache OpenOffice version 4.1.16 from the official website (www.openoffice.org)
  2. Uninstall the current version of Apache OpenOffice (any version before 4.1.16)
  3. Install the downloaded version 4.1.16
  4. Restart any OpenOffice applications if they were running during installation
  5. Verify the installation by checking the version in OpenOffice (Help > About Apache OpenOffice)

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Openoffice Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing6.0 h
  • Review / QA2.0 h
20.0 hours of engineering $3,500
Get the upgrade done

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Scan for this in your stack

Free · runs locally
dbcve dependency scanner

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2025-64404 in production — separate from our analysis above.

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data