Updated libreoffice packages fix security vulnerabilities

The updated packages fix security vulnerabilities: Heap buffer overflow in DXF polyline import. CVE-2026-6039 Heap use-after-free in ODF number-format blank-width parsing. CVE-2026-6040 Heap buffer overflow in EMF+ gradient brush import. CVE-2026-6045 Stack buffer overflow in PPT presentation...

CVE-2026-6045 Heap buffer overflow in EMF+ gradient brush import

LibreOffice can import EMF+ graphics, which may be embedded in documents. A heap buffer overflow existed when importing an EMF+ gradient brush. The number of gradient blend points was read from the file and used to compute an allocation size, but that multiplication could overflow, so a small...