# CVE-2026-59267: Apache OpenOffice heap buffer overflow in DXF parsing

Source: https://junglewise.ai/threats/cve-2026-59267-a-crafted-dxf-document-causes-a-heap-buffer-overflow-in-draw-in  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-04. Updated: 2026-11-04  
License: CC BY 4.0 with a link back

CVE-2026-59267 · Severity: info · Published 2026-11-04

Apache OpenOffice Draw, used to create and edit vector graphics and diagrams, is vulnerable to a heap buffer overflow when processing specially crafted DXF (drawing exchange format) files. An attacker can exploit this by providing a malicious DXF document, which could crash the application or corrupt memory, potentially leading to data loss or system instability.

Technologies: [Apache OpenOffice](https://junglewise.ai/threats/technologies/openoffice). Vendors: [Apache](https://junglewise.ai/threats/vendors/apache).

## Quick answers

**Is CVE-2026-59267 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-59267 being exploited in the wild.

**How severe is CVE-2026-59267?** Informational severity, published 4 November 2026.

**Which products and versions are affected?** Apache OpenOffice 4.1.16 and earlier.

**Is there a fix for CVE-2026-59267?** Yes: fixed in 4.1.17. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-59267 attacked?** It is attacked with local access.

**Am I affected by CVE-2026-59267?** Check whether you run Apache OpenOffice at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in 4.1.17

## Technical details

A heap buffer overflow exists in the DXF document parser within Apache OpenOffice Draw versions 4.1.16 and earlier. The vulnerability is triggered by a crafted DXF file during parsing, allowing memory corruption. The attack requires user interaction (opening a malicious file) but does not require authentication or network access.

## Affected products

- Apache OpenOffice 4.1.16 and earlier

## Timeline

- 2026-11-04: disclosed

## References

- [https://lists.apache.org/thread.html/pwcm02dq2cy42qq2owzlvf48s8258499](https://lists.apache.org/thread.html/pwcm02dq2cy42qq2owzlvf48s8258499)

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