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TI-2025-39827 Aliases CVE-2025-64403GHSA-3r8r-ch94-c42m

Apache OpenOffice: Remote documents loaded without prompt via "external data sources" in Calc

Priority MEDIUM 40CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-862.

Summary

Apache OpenOffice Calc spreadsheet can contain links to other files, in the form of "external data sources". A missing Authorization vulnerability in Apache OpenOffice allowed an attacker to craft a document that would cause such links to be loaded without prompt. This issue affects Apache OpenOffice: through 4.1.15. Users are recommended to upgrade to version 4.1.16, which fixes the issue.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01259 69th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApacheApache OpenOfficeup to 4.1.15—No fix listedCNA
  • Apache OpenOffice VendorApache Affected up to 4.1.15 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:openoffice:*:*:*:*:*:*:*:*before 4.1.16VulnerableApache
  • cpe:2.3:a:apache:openoffice:*:*:*:*:*:*:*:* Versions before 4.1.16 Vulnerable ·Apache

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-64403
  2. 2026-10-03 Alias added: GHSA-3r8r-ch94-c42m

References

Advisory 3

  • TI-2018-07474 An information disclosure vulnerability occurs when LibreOffice 6.0.3 and Apache… CVSS 3.0HIGH 7.5
  • TI-2021-12639 Buffer overflow from a crafted DBF file CVSS 3.1HIGH 7.8
  • TI-2014-02850 Apache OpenOffice before 4.1.1 allows remote attackers to execute arbitrary commands and… CVSS 2.0HIGH 9.3
  • TI-2009-02810 Heap-based buffer overflow in the GIFLZWDecompressor::GIFLZWDecompressor function in… CVSS 2.0HIGH 9.3
  • TI-2009-02809 Integer overflow in the XPMReader::ReadXPM function in filter.vcl/ixpm/svt_xpmread.cxx in… CVSS 2.0HIGH 9.3
  • TI-2009-03144 filter/ww8/ww8par2.cxx in OpenOffice.org (OOo) before 3.2 allows remote attackers to… CVSS 2.0HIGH 9.3
See all 71 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences