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

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. 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

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.