CVE-2026-63266 Affecting libreoffice package, versions <4:26.2.5.2-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIANUNSTABLE-LIBREOFFICE-20511684
- published5 Oct 2026
- disclosed5 Oct 2026
Introduced: 5 Oct 2026
NewCVE-2026-63266 (opens in a new tab)How to fix?
Upgrade Debian:unstable libreoffice to version 4:26.2.5.2-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libreoffice package and not the libreoffice package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
LibreOffice Calc can link a cell range to an external data source, and the link is saved in the document. Through such a link a document could open an embedded Firebird database that wrote a file to any location the user could write to. In fixed versions an embedded Firebird database can open or create files only inside its own private directory.