CVE-2026-59268
Apache OpenOffice: Heap out-of-bounds write in WW8 PLCF reader
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What happened?
An out-of-bounds Write vulnerability in Apache OpenOffice versions through 4.1.16 could allow an attacker to craft a Microsoft Word document that would crash the program, or otherwise corrupt other memory areas.
Users are recommended to upgrade to version 4.1.17, which fixes this issue.
Affected software and versions
| Software | Version information | Fixed version |
|---|---|---|
| Apache OpenOfficeApache Software Foundation | affected: 0 to ≤ 4.1.16 | See vendor advisory |
Version information comes from the source record and can include unaffected products and exceptions. Distribution packages may contain backported fixes: an older upstream version alone does not prove a server is affected.
Is it being exploited?
This CVE was not listed in the CISA catalogue at our last retrieval. This does not establish that exploitation is absent.
How to respond
- Confirm the product, installed package version, and any configuration requirements in the vendor advisory.
- Follow the vendor’s remediation or workaround guidance in the references below. Structured fixed-version data is unavailable here; the publisher’s description may include a fix or workaround.
- Restart affected services if required, then verify the running version. Known exploitation may warrant investigation as well as patching.