CVE-2017-7870: Libreoffice

Critical severity, CVSS 9.8. EPSS: 3.9% chance of exploitation in the next 30 days.

LibreOffice before 2017-01-02 has an out-of-bounds write caused by a heap-based buffer overflow related to the tools::Polygon::Insert function in tools/source/generic/poly.cxx.

Affected products

• Libreoffice Libreoffice: up to and including 5.3.0.0

Published 2017-04-14. Last modified 2026-06-17.