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5.4 Medium

CVE-2026-63275 LibreOffice can read CFF fonts, which may be embedded in documents

Description

LibreOffice can read CFF fonts, which may be embedded in documents. A stack buffer overflow existed when reading the hints of a glyph. The number of hints was checked against the wrong bound, so a glyph declaring more hints than the array can hold wrote past its end. In fixed versions the hint count is checked against the capacity the array really has.

Affected products and versions

Product Affected versions Fixed in
LibreOffice 26.2 26.2 → latest No fix stated

References

Timeline

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