TI-2026-67610 CVE-2026-63277 · GHSA-5jx8-5g92-5w59
Remote code execution in LibreOffice Calc via external data links
Priority LOW 39
LibreOffice Calc can link a cell range to an external data source, and the link is saved in the document.
libreoffice security update
Released 2026-10-13 · Red Hat rating Important · View on Red Hat →
LibreOffice Calc can link a cell range to an external data source, and the link is saved in the document.
LibreOffice converts CFF fonts to Type 1 when it subsets a font, which happens when a document is exported to PDF, and CFF fonts may be embedded in documents.
LibreOffice can read CFF fonts, which may be embedded in documents.
LibreOffice Draw can import PDF documents.